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Publication List - Masaki Azuma (569 entries)
Journal Paper
-
Qiu min Liu,
Hena Das,
Takumi Nishikubo,
Yuki Sakai,
Ko Mibu,
Tomoko Onoue,
Takateru Kawakami,
Tetsu Watanuki,
Akihiko Machida,
Xubin Ye,
Jianhong Dai,
Zhao Pan,
Lei Hu,
Satoshi Nakano,
Masayuki Fukuda,
Shiori Kihara,
Koomok Lee,
Takehiro Koike,
Youwen Long,
Masaki Azum.
ressure Induced Amorphization of Pb2+ and Pb4+ in Perovskite PbFeO3,
Chemistry of Materials,
36,
1899-1907,
Feb. 2024.
-
Takafumi Yamamoto,
Yuya Otsubo,
Teppei Nagase,
Taiki Kosuge,
Masaki Azuma.
Synthesis and Structure of Vacancy-Ordered Perovskite Ba6Ta2Na2X2O17 (X = P, V): Significance of Structural Model Selection on Discovered Compounds,
Inorganic Chemistry,
63,
10,
4482-4486,
Feb. 2024.
-
Botao Gao,
Zhengyang Zhou,
Shiqing Deng,
Koomok Lee,
Masayuki Fukuda,
Lei Hu,
Masaki Azuma,
Hui Liu,
Jun Chen.
Emergent Three-Dimensional Electric Dipole Sinewave in Bulk Perovskite Oxide,
Nano Letters,
24,
10,
3118-3124,
Feb. 2024.
-
Feiyu Qin,
Lei Hu,
Yingcai Zhu,
Yuki Sakai,
Shogo Kawaguchi,
Akihiko Machida,
Tetsu Watanuki,
Yue-Wen Fang,
Jun Sun,
Xiangdong Ding,
Masaki Azuma.
Integrating abnormal thermal expansion and ultralow thermal conductivity into (Cd,Ni)2Re2O7 via synergy of local structure distortion and soft acoustic phonons,
Acta Materialia,
264,
119544,
Nov. 2023.
-
Haoting Zhao,
Zhao Pan,
Xi Shen,
Jianfa Zhao,
Dabiao Lu,
Jie Zhang,
Zhiwei Hu,
Chang-Yang Kuo,
Chien-Te Chen,
Ting-Shan Chan,
Christoph J. Sahle,
Cheng Dong,
Takumi Nishikubo,
Takehiro Koike,
Zun-Yi Deng,
Jiawang Hong,
Runze Yu,
* Pu Yu,
Masaki Azuma,
Changqing Jin,
Youwen Long.
Antiferroelectricity-Induced Negative Thermal Expansion inDouble Perovskite Pb2CoMoO6,
Small,
20,
2,
2305219,
Sept. 2023.
-
Gaku Okuma,
Masaya Endo,
Haruki Minagawa,
Ryo Inoue,
Hideki Kakisawa,
Takuma Kohata,
Toshio Osada,
Takafumi Yamamoto,
Masaki Azuma,
Akihisa Takeuchi,
Masayuki Uesugi,
Olivier Guillon,
Fumihiro Wakai.
3D Visualization of Morphological Evolution of Large Defects during Spark Plasma Sintering of Alumina Granules,
Advanced Engineering Materials,
Vol. 25,
pp. 2201534,
Sept. 2023.
-
Takuya Ohmi,
Iain W. H. Oswald,
James R. Neilson,
Nikolaj Roth,
Shunta Nishioka,
Kazuhiko Maeda,
Kotaro Fujii,
Masatomo Yashima,
Masaki Azuma,
Takafumi Yamamoto.
Thiocyanate-Stabilized Pseudo-cubic Perovskite CH(NH2)2PbI3 from Coincident Columnar Defect Lattices,
Journal of the American Chemical Society,
145,
19759-19767,
Aug. 2023.
Official location
-
Jinya Suzuki,
Hiroyasu Okochi,
Naoki Matsui,
Teppei Nagase,
Haruki Tochizawa,
Hiroki Sahara,
Takumi Nishikubo,
Yuki Sakai,
Takuya Ohmi,
Zhao Pan,
Takashi Saito,
Hiroyuki Saitoh,
Atsunori Ikezawa,
Hajime Arai,
Ryoji Kanno,
Takafumi Yamamoto,
Masaki Azuma.
Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method,
Journal of the American Chemical Society,
American Chemical Society,
Vol. 145,
No. 30,
pp. 16398-16405,
July 2023.
Official location
-
Ikeda M,
Jalem R,
Hasegawa G,
Kuwata N,
Liu Q,
Yamamoto T,
Shigematsu K.,
Tateyama Y,
Azuma M.
Theoretical Prediction and High-Pressure Synthesis of New LISICON-Type Solid-State Electrolyte Li2.75[B0.625P0.125S0.25]O3.375,
The Journal of Physical Chemistry C,
127,
29,
14117-14124,
July 2023.
-
Blair W. Lebert,
Benjamin Bacq-Labreuil,
Mark P. M. Dean,
Kari Ruotsalainen,
Alessandro Nicolaou,
Simo Huotari,
Ikuya Yamada,
Hajime Yamamoto,
Masaki Azuma,
Nicholas B. Brookes,
Flora Yakhou,
Hu Miao,
David Santos-Cottin,
Benjamin Lenz,
Silke Biermann,
Matteo d’Astuto.
Paramagnon dispersion and damping in doped NaxCa2-xCuO2Cl2,
Physical Review B,
108,
2,
024506,
July 2023.
-
Masayuki Fukuda,
Takumi Nishikubo,
Hongwu Yu,
Yoichi Okimoto,
Shin-ya Koshihara,
Kazunari Yamaura,
Masaki Azuma.
A-Site Columnar-Ordered Perovskite CaZnV2O6 as a Pauli-Paramagnetic Metal,
Inorganic Chemistry,
62,
8372-8378,
May 2023.
-
Hajime Yamamoto,
Sachiko Kamiyama,
Takumi Nishikubo,
Masaki Azuma,
Ikuya Yamada,
Hiroyuki Kimura.
Large negative thermal expansion induced by cation dimerization in ilmenite-type vanadate ceramic,
Applied Physics Letters,
120,
201901,
May 2023.
-
Takuma Itoh,
Kei Shigematsu,
Takumi Nishikubo,
MasakiAzuma.
Out‑of‑plane polarization reversal and changes in in‑plane ferroelectric and ferromagnetic domains of multiferroic BiFe0.9Co0.1O3 thin flms by water printing,
Scientifc Reports,
13,
7236,
May 2023.
-
Zhao Pan,
Xingxing Jiang,
Runze Yu,
Yang Ren,
Zheshuai Lin,
Jun Chen,
Xianran Xing,
Zhao Pan,
Xingxing Jiang,
Runze Yu,
Yang Ren,
Zheshuai Lin,
Jun Chen,
Masaki Azuma,
Xianran Xing.
Transformation of Thermal Expansion from Large Volume Contraction to Nonlinear Strong Negative Thermal Expansion in PbTiO3-Bi(Co1-xFex)O3 Perovskites,
Acs Applied Materials & Interfaces,
14,
20,
23610-23616,
May 2023.
-
Takafumi Yamamoto,
Shogo Kawaguchi,
Taiki Kosuge,
Akira Sugai,
Naoki Tsunoda,
Yu Kumagai,
Kosuke Beppu,
Takuya Ohmi,
Teppei Nagase,
Kotaro Higashi,
Kazuo Kato,
Kiyofumi Nitta,
Tomoya Uruga,
Seiji Yamazoe,
Fumiyasu Oba,
Tsunehiro Tanaka,
Masaki Azuma,
Saburo Hosokawa.
Emergence of Dynamically‐Disordered Phases During Fast Oxygen Deintercalation Reaction of Layered Perovskite,
Advanced Science,
Vol. 10,
2301876,
Apr. 2023.
Official location
-
Kei Shigematsu,
Marin Katsumata,
Takuma Itoh,
Keita Ozawa,
Haruki Shimizu,
Keisuke Shimizu,
Masaki Azuma.
Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe, Co)O3 Thin Film,
Advanced Physics Research,
2,
220009,
Apr. 2023.
-
Kengo. Oka,
T. Ogawa,
H. Yamamoto,
Chika. Sakaguchi,
R. Gallage,
N. Kobayashi,
Masaki Azuma.
Compaction of α”-Fe16N2 particles by high-pressure treatment at several gigapascals,
Scripta Materialia,
229,
115390,
Mar. 2023.
-
Takumi Nishikubo,
Takashi Imai,
Yuki Sakai,
Masaichiro Mizumaki,
Shogo Kawaguchi,
Norihiro Oshime,
Ayumu Shimada,
Kento Sugawara,
Kenji Ohwada,
Akihiko Machida,
Tetsu Watanuki,
Kosuke Kurushima,
Shigeo Mori,
Takashi Mizokawa,
Masaki Azuma.
Polar−Nonpolar Transition-Type Negative Thermal Expansion with 11.1% Volume Shrinkage by Design,
Chemistry of Materials,
35,
870-878,
Jan. 2023.
-
Yuki Sakai,
Kana Matsuno,
Takumi Nishikubo,
Masayuki Fukuda,
Shogo Wakazaki,
Masahito Ikeda,
Kazuki Takahashi,
Zhao Pan,
Lei Hu,
Masaki Azuma.
Two Types of Negative Thermal Expansion Observed in PbCr1−xTixO3,
Chemistry of Materials,
35,
1008-1015,
Jan. 2023.
-
Ariunzaya Tsogoo,
Ninjbadgar Tsedev,
Alain Gibaud,
Philippe Daniel,
Abdelhadi Kassiba,
Masayuki Fukuda,
Yoshihiro Kusano,
Masaki Azuma,
Namsrai Tsogbadrakh,
Galbadrakh Ragchaa,
Rentsenmyadag Dashzeveg,
Erdene-Ochir Ganbold.
Experimental and ab initio studies on the structural, magnetic, photocatalytic, and antibacterial properties of Cu-doped ZnO nanoparticles,
RSC Advances,
13,
1256-1266,
Jan. 2023.
-
Kengo Oka,
Miho Takasu,
Wataru Nishiki,
Takumi Nishikubo,
Masaki Azuma,
Naoki Noma,
Mitsunobu Iwasaki.
Negative Thermal Expansion in Fluoroapatite Pb5(VO4)3F Enhanced by the Steric Effect of Pb2+,
61,
12552-12558,
Aug. 2022.
-
Hiroshi Nakajima,
Akihiro Osako,
NoriharuYodoshi,
YoshiharuYamada,
HirofumiTsukasaki,
Ken Harada,
Yuki Sakai,
Kei Shigematsu,
Takumi Nishikubo,
Masaki Azuma,
Shigeo Mori.
Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys,
Microscopy,
Aug. 2022.
-
Shiori Kihara,
Yuki Sakai,
Shogo Wakazaki,
Takumi Nishikubo,
Takehiro Koike,
Ko Mibu,
Hongwu Yu,
Yoichi Okimoto,
Shin-ya Koshihara,
Masaki Azuma.
Bi0.5Pb0.5FeO3 with Unusual Pb Charge Disproportionation: Indication of a Systematic Charge Distribution Change in Bi0.5Pb0.5MO3 (M: 3d Transition Metal),
Inorganic Chemistry,
61,
32,
12822-12827,
Aug. 2022.
-
Masayuki Fukuda,
Hidenobu Murata,
Takumi Nishikubo,
Qiumin Liu,
Koomok Lee,
Takehiro Koike,
Yuma Takahashi,
Saori I. Kawaguchi,
Naohisa Hirao,
Hiroshi Funakubo,
Masaki Azuma.
Suppression of Pressure-Induced Phase Transitions in a Monoclinically Distorted LiNbO3-Type CuNbO3 by Preference for a CuO3 Triangular Coordination Environment,
Inorganic Chemistry,
61,
32,
12719-12725,
Aug. 2022.
-
Takehiro Koike,
Takumi Nishikubo,
Yuki Sakai,
Hirofumi Ishii,
Masaki Azuma.
Negative thermal expansion in PbTiO3-type perovskites oxide Bi0.5+xNa0.5−xVO3,
Journal of the Ceramic Society of Japan ,
130,
8,
691-695,
Aug. 2022.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
Heteroepitaxial growth of InSb thin film on SrTiO3 (001) by pulsed laser deposition for magnetic Hall sensor application,
Japanese Journal of Applied Physics,
61,
8,
080902,
July 2022.
-
Yiran Wang,
Masayuki Fukuda,
Sergey Nikolaev,
Atsushi Miyake,
Kent J. Griffith,
Matthew L. Nisbet,
Emily Hiralal,
Romain Gautier,
Brandon L. Fisher,
Masashi Tokunaga,
Masaki Azuma,
Kenneth R. Poeppelmeier.
Two Distinct Cu(II)−V(IV) Superexchange Interactions with Similar Bond Angles in a Triangular “CuV2” Fragment,
Inorganic Chemistry,
61,
10234-10241,
June 2022.
-
Koomok Lee,
Kei Shigematsu,
Hena Das,
Masaki Azuma.
Exploring the correlation between the spin-state configuration and the magnetic order in Co-substituted BiFeO3,
Physical Review Materials,
6,
064401,
June 2022.
-
Takuya Ohmi,
Tomoaki Miura,
Kei Shigematsu,
Alexandra A. Koegel,
Brian S. Newell,
James R. Neilson,
Tadaaki Ikoma,
Masaki Azuma,
Takafumi Yamamoto.
Temperature-induced structural transition in an organic–inorganic hybrid layered perovskite (MA)2PbI2−xBrx(SCN)2,
CrystEngComm,
Volume 24,
Issue 30,
Page 5428-5434,
June 2022.
Official location
-
Teppei Nagase,
Takumi Nishikubo,
Masayuki Fukuda,
Yuki Sakai,
Kei Shigematsu,
Yoichi Ikeda,
Yusuke Nambu,
Zhang Qiang,
masaaki matsuda,
Kou Mibu,
Masaki Azuma,
Takafumi Yamamoto.
SrV0.3Fe0.7O2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance,
Inorganic Chemistry,
Vol. 61,
No. 24,
pp. 8987-8991,
June 2022.
Official location
-
Sachiko Kamiyama,
Ikuya Yamada,
Masayuki Fukuda,
Yuichi Okazaki,
Takashi Nakamura,
Takumi Nishikubo,
Masaki Azuma,
Hiroyuki Kimura,
Hajime Yamamoto.
V–V Dimerization and Magnetic State of Cobalt Ions in Ilmenite-Type CoVO3,
Inorganic Chemistry,
61,
7841-7846,
May 2022.
-
Harry W. T. Morgan,
Takafumi Yamamoto,
Takumi Nishikubo,
Takuya Ohmi,
Takehiro Koike,
Yuki Sakai,
Masaki Azuma,
Hirofumi Ishii,
Genki Kobayashi,
John E. McGrady.
Sequential Pressure-Induced B1−B2 Transitions in the AnionOrdered Oxyhydride Ba2YHO3,
Inorganic Chemistry,
61,
18,
7043-7050,
Apr. 2022.
Official location
-
Zhao Pan,
Yue-Wen Fang,
Takumi Nishikubo,
Lei Hu,
Shogo Kawaguchi,
Masaki Azuma.
Tolerance Factor Control of Tetragonality and Negative Thermal Expansion in PbTiO3‑Based Ferroelectrics,
Chemistry of Materials,
34,
6,
2798-2803,
Mar. 2022.
-
Zhao Pan,
Koike Takehiro,
Takumi Nishikubo,
Lei Hu,
Qiumin Liu,
Yuki Sakai,
Shogo Kawaguchi,
Masaki Azuma.
Realization of Negative Thermal Expansion in Lead-Free Bi0.5K0.5VO3 by the Suppression of Tetragonality,
Inorganic Chemistry,
61,
8,
3730–3735,
Feb. 2022.
-
Satoru Kaneko,
Takashi Tokumasu,
Manabu Yasui,
Masahito Kurouchi,
Shigeo Yasuhara,
Tamio Endo,
Masaki Azuma,
Akufumi Matsuda,
Mamoru Yoshimoto,
Sumanta Kumar Sahoo,
Kripasindhu Sardar,
Jyh-Ming Ting,
Masahiro Yoshimura.
Crystal orientation of epitaxial oxide film on silicon substrate,
Applied Surface Science,
586,
152776,
Feb. 2022.
-
Takuma Itoh,
Marin Katsumata,
Kei Shigematsu,
Masaki Azuma.
Control of ferroelectric and ferromagnetic domains in BiFe0.9Co0.1O3 thin films by utilizing trailing fields,
Applied Physics Express,
15,
2,
023002,
Jan. 2022.
-
Shogo Wakazaki,
Qiumin Liu,
Randy Jalem,
Takumi Nishikubo,
Yuki Sakai,
Naoki Matsui,
Guowei Zhao,
Kota Suzuki,
Kei Shigematsu,
Takafumi Yamamoto,
Ryoji Kanno,
Hena Das,
Yoshitaka Tateyama,
Masaki Azuma.
High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure,
Chemistry of Materials 2021, 33, 23,
Nov. 2021.
-
Shogo Wakazaki,
Qiumin Liu,
Randy Jalem,
Takumi Nishikubo,
Yuki Sakai,
Naoki Matsui,
Guowei Zhao,
Kota Suzuki,
Kei Shigematsu,
Takafumi Yamamoto,
Ryoji Kanno,
Hena Das,
Yoshitaka Tateyama,
Masaki Azuma.
High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure,
Chemistry of Materials,
33,
23,
9194-9201,
Nov. 2021.
-
Hajime Yamamoto,
Terutoshi Sakakura,
Harald O. Jeschke,
Noriyuki Kabeya,
Kanata Hayashi,
Yuya Ishikawa,
Yutaka Fujii,
Shunji Kishimoto,
Hajime Sagayama,
Kei Shigematsu,
Masaki Azuma,
Akira Ochiai,
Yukio Noda,
Hiroyuki Kimura.
Quantum spin fluctuations and hydrogen bond network in the antiferromagnetic natural mineral henmilite,
Physical Review Materials,
5,
104405,
Oct. 2021.
-
Kazumasa Miyazaki,
Masayuki Ochi,
Takumi Nishikubo,
Jinya Suzuki,
Takashi Saito,
Takashi Kamiyama,
Kazuhiko Kuroki,
Takafumi Yamamoto,
Masaki Azuma.
High-Pressure and High-Temperature Synthesis of Anion-Disordered Vanadium Perovskite Oxyhydrides,
Inorganic Chemistry,
American Chemical Society,
Vol. 60,
No. 20,
pp. 15751-15758,
Oct. 2021.
Official location
-
Marin Katsumata,
Kei Shigematsu,
Takuma Itoh,
Haruki Shimizu,
Keisuke Shimizu,
Masaki Azuma.
Stabilization of correlated ferroelectric and ferromagnetic domain structures in BiFe0.9Co0.1O3 films,
Applied Physics Letters,
119,
132901,
Sept. 2021.
-
Keisuke Shimizu,
Hajime Hojo,
Masaki Azuma.
Enhanced Piezoelectric Response in Orientation-Controlled BiFe1–xGaxO3 Thin Films with Polarization Rotation,
Acs Applied Electronic Materials,
3,
10,
4459-4464,
Sept. 2021.
-
Lei Hu,
Yingcai Zhu,
Yue-Wen Fang,
Masayuki Fukuda,
Takumi Nishikubo,
Zhao Pan,
Yuki Sakai,
Shogo Kawaguchi,
Hena Das,
Akihiko Machida,
Tetsu Watanuki,
Shigeo Mori,
Koshi Takenaka,
Masaki Azuma.
Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca2RuO4,
Chemistry of Materials,
33,
19,
Sept. 2021.
-
Masayuki Fukuda,
Ikuya Yamada,
Hajime Hojo,
Chihiro Takahashi,
Yuya Yoshida,
Katsuhisa Tanaka,
Masaki Azuma,
Koji Fujita.
Topochemical synthesis of perovskite-type CuNb2O6 with colossal dielectric constant,
Journal of Materials Chemistry C,
9,
39,
1398-13990,
Aug. 2021.
-
Masaki Azuma,
Hajime Hojo,
Kengo Oka,
Hajime Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Yuki Sakai.
Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis,
Annual Review of Materials Research,
51,
329-349,
May 2021.
-
Masaki Azuma.
巨大負熱膨張セラミックス,
金属,
91,
4,
43-48,
Apr. 2021.
-
Takahiro Ogata,
Yuki Sakai,
Takumi Nishikubo,
Takashi Mizokawa,
Masaichiro Mizumaki,
Koomok Lee,
Qiumin Liu,
Masaki Azuma.
Intermetallic Charge Transfer in V-Substituted PbCrO3,
Inorganic Chemistry,
60,
13,
9427-9431,
Apr. 2021.
-
Xubin Ye,
Jianfa Zhao,
Hena Das,
Denis Sheptyakov,
Junye Yang,
Yuki Sakai,
Hajime Hojo,
Zhehong Liu,
Long Zhou,
Lipeng Cao,
Takumi Nishikubo,
Shogo Wakazaki,
Cheng Dong,
Xiao Wang,
Zhiwei Hu,
Hong-Ji Lin,
Chien-Te Chen,
Christoph Sahle,
Anna Efiminko,
Huibo Cao,
Stuart Calder,
Ko Mibu,
Michel Kenzelmann,
Liu Hao Tjeng,
Runze Yu,
Masaki Azuma,
Changqing Jin,
Youwen Long.
Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3,
Nature Communications,
12,
1917,
Mar. 2021.
-
Xubin Ye,
Jianfa Zhao,
Hena Das,
Denis Sheptyakov,
Junye Yang,
Yuki Sakai,
Hajime Hojo,
Zhehong Liu,
Long Zhou,
Lipeng Cao,
Takumi Nishikubo,
Shogo Wakazaki,
Cheng Dong,
Xiao Wang,
Zhiwei Hu,
Hong-Ji Lin,
Chien-Te Chen,
Christoph Sahle,
Anna Efiminko,
Huibo Cao,
Stuart Calder,
Ko Mibu,
Michel Kenzelmann,
Liu Hao Tjeng,
Runze Yu,
Masaki Azuma,
Changqing Jin,
Youwen Long.
Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3,
Nature Communications,
12,
1917,
Mar. 2021.
-
Masaki Ozeki,
Victoria Warne-Lang,
Hirofumi Tsukasaki,
Naoyuki Katayama,
Yoshihiko Okamoto,
Shigeo Mori,
Koshi Takenaka,
Masaki Azuma,
Hajime Hojo,
Kengo Oka,
Hajime Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Yuki Sakai.
Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research,
Annual Review of Materials Research,
Mar. 2021.
-
Yukimasa Fukada,
Ryota Fukuyama,
Kosuke Fujiwara,
Kenji Yoshii,
Kei Shigematsu,
Masaki Azuma,
Naoshi Ikeda.
Analysis of Glass Behavior of Lu2Fe3O7 with Distributed Equivalent Circuit Model,
Journal of the Physical Society of Japan,
90,
024710,
Jan. 2021.
-
Masaki Azuma,
Yuki Sakai,
Takumi Nishikubo,
岡 研吾,
山本 孟.
圧力誘起相転移を利用した巨大負熱膨張物質の開発,
高圧力の科学と技術,
30,
3,
Jan. 2021.
Official location
-
Zhao Pan,
Mao-Hua Zhang,
Takumi Nishikubo,
Yuki Sakai,
Hajime Yamamoto,
Hajime Hojo,
Masayuki Fukuda,
Lei Hu,
Hayato Ishizaki,
Satoru Kaneko,
Shogo Kawaguchi,
Jurij Koruza,
Jürgen Rödel,
Masaki Azuma.
Polarization Rotation at Morphotropic Phase Boundary in New Lead-Free Na1/2Bi1/2V1–xTixO3 Piezoceramics,
Acs Applied Materials & Interfaces,
13,
4,
5208-5215,
Jan. 2021.
Official location
-
Masaki Azuma,
Kei Shigematsu,
北條 元,
Kou Mibu.
BiFe1-xCoxO3薄膜のスピン構造変化~電場による磁化の反転に成功、次世代低消費電力磁気メモリ実現の道拓く~,
NanotechJapan Bulletin,
13,
4,
2021.
-
Md SAIDUZZAMAN,
Khandaker Monower HOSSAIN,
Nobuhiro KUMADA,
Sayaka YANAGIDA,
Takahiro TAKEI,
Yuji HANADA,
Masanori NAGAO,
Masaki AZUMA.
Hydrothermal synthesis and crystal structure of a mixed-valence pyrochlore-type strontium bismuthate, (Sr0.75Bi0.25)2Bi2O6.83,
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN,
Volume 128,
Issue 9,
660-663,
Sept. 2020.
-
Yamamoto Hajime,
Sekikawa Satoru,
Taniguchi Haruka,
Matsukawa Michiaki,
Shigematsu Kei,
Honda Takashi,
Yamauchi Kunihiko,
Ikeda Kazutaka,
Otomo Toshiya,
Sakakura Terutoshi,
Azuma Masaki,
Nimori Shigeki,
Noda Yukio,
Kimura Hiroyuki.
Reversible thermally controlled spontaneous magnetization switching in perovskite-type manganite,
APPLIED PHYSICS LETTERS,
Volume 117,
Issue 11,
Sept. 2020.
-
Wakazaki Shogo,
Nishikubo Takumi,
Sakai Yuki,
Shigematsu Kei,
Das Hena,
Zhang Depei,
Zhang Qiang,
Matsuda Masaaki,
Azuma Masaki.
Stabilized Charge, Spin, and Orbital Ordering by the 6s2 Lone Pair in Bi0.5Pb0.5MnO3,
INORGANIC CHEMISTRY,
59,
18,
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Sept. 2020.
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Masayuki Fukuda,
Takumi Nishikubo,
Zhao Pan,
Yuki Sakai,
Mao-Hua Zhang,
Shogo Kawaguchi,
Hongwu Yu,
Yoichi Okimoto,
Shin-ya Koshihara,
Mitsuru Itoh,
Jürgen Rödel,
Masaki Azuma.
Enhanced Spontaneous Polarization by V4+ Substitution in a Lead-Free Perovskite CaMnTi2O6,
INORGANIC CHEMISTRY,
Volume 59,
Issue 16,
11749–11756,
Aug. 2020.
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Hajime Yamamoto,
Kaoru Toda,
Yuki Sakai,
Takumi Nishikubo,
Ikuya Yamada,
Kei Shigematsu,
Masaki Azuma,
Hajime Sagayama,
Masaichiro Mizumaki,
Kiyofumi Nitta,
Hiroyuki Kimura.
Emergence of a Cubic Phase Stabilized by Intermetallic Charge Transfer in (1 – x)PbVO3–xBiCoO3 Solid Solutions,
CHEMISTRY OF MATERIALS,
32,
16,
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July 2020.
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Mitsuru Nitta,
Nobuaki Nagao,
Yuki Nomura,
Taku Hirasawa,
Yuki Sakai,
Takahiro Ogata,
Masaki Azuma,
Shuki Torii,
Toru Ishigaki,
Yasuhisa Inada.
High-Brightness Red-Emitting Phosphor La3(Si,Al)6(O,N)11:Ce3+ for Next-Generation Solid-State Light Sources,
ACS APPLIED MATERIALS & INTERFACES,
Volume 12,
Issue 28,
31652–31658,
July 2020.
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Yoshitaka Nakamura,
Yuki Sakai,
Masaki Azuma,
Shin-ichi Ohkosh.
Long-term heat-storage ceramics absorbing thermal energy from hot water,
SCIENCE ADVANCES,
Volume 6,
Issue 27,
July 2020.
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Hayato Ishizaki,
Yuki Sakai,
Takumi Nishikubo,
Zhao Pan,
Kengo Oka,
Hajime Yamamoto,
Masaki Azuma.
Negative Thermal Expansion in Lead-Free La-Substituted Bi0.5Na0.5VO3,
CHEMISTRY OF MATERIALS,
32,
11,
4832–4837,
June 2020.
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Masaki Ozeki,
Victoria Warne-Lang,
Hirofumi Tsukasaki,
Yuki Sakai,
Naoyuki Katayama,
Yoshihiko Okamoto,
Masaki Azuma,
Shigeo Mori,
Koshi Takenaka.
Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles,
APPLIED PHYSICS EXPRESS,
13,
7,
June 2020.
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Kei Shigematsu,
Haruki Shimizu,
Marin Katsumata,
Keisuke Shimizu,
Hajime Yamamoto,
Ko Mibu,
Masaki Azuma.
Stable electric polarization switching accompanied by magnetization reversal in B-site-substituted multiferroic BiFe0.9Co0.1O3 thin films,
APPLIED PHYSICS EXPRESS,
13,
7,
June 2020.
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Hongwu Yu,
Kou Takubo,
Tadahiko Ishikawa,
Shin-ya Koshihara,
Masaki Hada,
Toru Asaka,
Keita Ozawa,
Kei Shigematsu,
Masaki Azuma,
Yoichi Okimoto.
Ultrafast Nonlinear Spectroscopy in (111) Oriented Bismuth Ferrite Oxide,
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,
89,
6,
May 2020.
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Yoshihiro Kusano,
Shuji Kawasaki,
Jun Takada,
Masaki Azuma.
Synthesis and microstructure of single-crystalline cobalt oxyhydroxide and topotactic transformation to cobalt oxide,
JOURNAL OF THE AMERICAN CERAMIC SOCIETY,
103,
7240–7246,
Apr. 2020.
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Zhao Pan,
Takumi Nishikubo,
Yuki Sakai,
Takafumi Yamamoto,
Shogo Kawaguchi,
Masaki Azuma.
Observation of Stabilized Monoclinic Phase as a “Bridge” at the Morphotropic Phase Boundary between Tetragonal Perovskite PbVO3 and Rhombohedral BiFeO3,
CHEMISTRY OF MATERIALS,
Vol. 32,
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Apr. 2020.
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Zhehong Liu,
Yuki Sakai,
Junye Yang,
Wenmin Li,
Ying Liu,
Xubin Ye,
Shijun Qin,
Jinming Chen,
Stefano Agrestini,
Kai Chen,
Sheng-Chieh Liao,
Shu-Chih Haw,
Francois Baudelet,
Hirofumi Ishii,
Takumi Nishikubo,
Hayato Ishizaki,
Tatsuru Yamamoto,
Zhao Pan,
Masayuki Fukuda,
Kotaro Ohashi,
Kana Matsuno,
Akihiko Machida,
Tetsu Watanuki,
Saori I. Kawaguchi,
Angel M. Arevalo-Lopez,
Changqing Jin,
Zhiwei Hu,
J. Paul Attfield,
Masaki Azuma,
Youwen Long.
Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3,
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,
142,
12,
5731–5741,
Mar. 2020.
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Blair W. Lebert,
Hajime Yamamoto,
Masaki Azuma,
Rolf Heid,
Satoshi Tsutsui,
Hiroshi Uchiyama,
Alfred Q. R. Baron,
Benoît Baptiste,
Matteo d'Astuto.
Doping-induced in-plane anisotropy of bond-stretching phonon softening in oxychloride Ca 2 − x CuO 2 Cl 2 compounds,
PHYSICAL REVIEW B,
101,
2,
Jan. 2020.
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Withanage ISURU UDAKARA WITHANAGE,
Nobuhiro KUMADA,
Takahiro TAKEI,
Sayaka YANAGIDA,
Kiyoharu TADANAGA,
Akira MIURA,
Nataly Carolina ROSERO-NAVARRO,
Masaki AZUMA.
Electrical properties of pyrochlore-type silver tantalate and fluorite-type silver niobate,
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN,
128,
1,
46-50,
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Hayato Ishizaki,
Hajime Yamamoto,
Takumi Nishikubo,
Yuki Sakai,
Shogo Kawaguchi,
Keisuke Yokoyama,
Yoichi Okimoto,
Shin-ya Koshihara,
Takafumi Yamamoto,
Masaki Azuma.
Robust Giant Tetragonal Distortion Coupled with High-Spin Co3+ in Electron-Doped BiCoO3,
Inorganic Chemistry,
vol. 58,
p. 16059-16064,
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Hiroaki Ito,
Akira Miura,
Yosuke Goto,
Yoshikazu Mizuguchi,
Chikako Moriyoshi,
Yoshihiro Kuroiwa,
Masaki Azuma,
Jinjia Liu,
Xiao-Dong Wen,
Shunta Nishioka,
Kazuhiko Maeda,
Yuji Masubuchi,
Nataly Carolina Rosero-Navarro,
Kiyoharu Tadanaga,
Maeda, Kazuhiko.
An electronic structure governed by the displacement of the indium site in In–S6 octahedra: LnOInS2 (Ln = La, Ce, and Pr),
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Zhao Pan,
Jun Chen,
Xingxing Jiang,
Zheshuai Lin,
Haibo Zhang,
Yang Ren,
Masaki Azuma,
Xianran Xing.
Enhanced tetragonality and large negative thermal expansion in a new Pb/Bi-based perovskite ferroelectric of (1 − x)PbTiO3–xBi(Zn1/2V1/2)O3,
Inorganic Chemistry Frontiers,
6,
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1990-1995,
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Blair Lebert,
Hajime Yamamoto,
Masaki Azuma,
Rolf Heid,
Satoshi Tsutsui,
Hiroshi Uchiyama,
Alfred Q.R Baron,
Benoit Baptiste,
Matteo d'Astuto.
Phonon anomalies with doping in superconducting oxychlorides Ca2-xCuO2Cl2,
Apr. 2019.
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Keisuke Shimizu,
Ryo Kawabe,
Hajime Hojo,
Haruki Shimizu,
Hajime Yamamoto,
Marin Katsumata,
Kei Shigematsu,
Ko Mibu,
Yu Kumagai,
Fumiyasu Oba,
Masaki Azuma.
Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film,
NANO LETT.,
Vol. 19,
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Takahiro Ogata,
Yuki Sakai,
Hajime Yamamoto,
Satyanarayan Patel,
Peter Keil,
Jurij Koruza,
Shogo Kawaguchi,
Zhao Pan,
Takumi Nishikubo,
Jürgen Rödel,
Masaki Azuma.
Melting of dxy Orbital Ordering Accompanied by Suppression of Giant Tetragonal Distortion and Insulator-to-Metal Transition in Cr-Substituted PbVO3,
Chemistry of Materials,
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Takahiro Ogata,
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Negative thermal expansion in electron doped PbVO3ーxFx,
Applied Physics Express,
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Md Saiduzzaman,
Takahiro Takei,
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Nobuhiro Kumada,
Hena Das,
Hirokazu Kyokane,
Shogo Wakazaki,
Masaki Azuma,
Chikako Moriyoshi,
Yoshihiro Kuroiwa.
Hydrothermal Synthesis of Pyrochlore-Type Pentavalent Bismuthates Ca2Bi2O7 and Sr2Bi2O7,
Inorganic Chemistry,
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Hajime Yamamoto,
Takahiro Ogata,
Satyanarayan Patel,
Jurij Koruza,
Jürgen Rödel,
Atanu Paul,
Tanusri Saha-Dasgupta,
Yuki Sakai,
Mitsuru Itoh,
Masaki Azuma.
Na1/2Bi1/2VO3 and K1/2Bi1/2VO3: New Lead-Free Tetragonal Perovskites with Moderate c/a Ratios,
Chemistry of Materials,
vol. 30,
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Koshi Takenaka,
N. Inoue,
Y. Mizuno,
Y. Okamoto,
N. Katayama,
Yuki Sakai,
Takumi Nishikubo,
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Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4,
APPLIED PHYSICS LETTERS,
Vol. 113,
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Hajime Hojo,
Kengo Oka,
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Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution,
ADVANCED MATERIALS,
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Hajime Yamamoto,
Takashi Imai,
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Colossal Negative Thermal Expansion in Electron-Doped PbVO3 Perovskites,
ANGEWANDTE CHEMIE-INTERNATIONAL,
Vol. 57,
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Zhao Pan,
Xingxing Jiang,
Jun Chen,
Lei Hu,
Hajime Yamamoto,
Linxing Zhang,
Longlong Fan,
Xi'an Fan,
Yawei Li,
Guangqiang Li,
Yang Ren,
Zheshuai Lin,
Masaki Azuma,
Xianran Xing.
Large spontaneous polarization in polar perovskites of PbTiO3-Bi(Zn1/2Ti1/2)O-3,
Inorganic Chemistry Frontiers,
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Takumi Nishikubo,
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Tetsu Watanuki,
Akihiko Machida,
Naoyuki Maejima,
Shigenori Ueda,
Takashi Mizokawa,
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Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi1-xSbxNiO3,
Applied physics express,
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Kei Shigematsu,
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Keisuke Shimizu,
Marin Katsumata,
Haruki Shimizu,
Yuki Sakai,
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Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation,
Applied Physics Letters.,
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Masaki Azuma,
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Formation of ZnO4 Tetrahedra and ZnO6 Octahedra in TeZnO3 Synthesized under High Pressure,
Inorganic Chemistry,
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Lokanath Patra,
Zhao Pan,
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Masaki Azuma,
P. Ravindran.
Metamagnetism stabilized giant magnetoelectric coupling in ferroelectric xBaTiO3-(1-x)BiCoO3 solid solution,
Physical Chemistry Chemical Physics,
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Hirofumi Tsukasaki,
Takahiro Ogata,
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Masaki Azuma,
Yui Ishii,
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Unusual inhomogeneous microstructures in charge glass state of PbCrO3,
Japanese journal of applied physics,
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S.Kanungo,
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Experimental and Theoretical Studies of the Metallic Conductivity in Cubic PbVO3 under High Pressure,
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,
Vol. 87,
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Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites,
Dalton Transactions,
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Reorientation of the Magnetic Easy Plane in a Co-Substituted BiFeO3 Single Crystal,
Inorganic Chemistry,
Vol. 56,
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K. Takenaka,
T. Shinoda,
N. Inoue,
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Giant negative thermal expansion in Fe-doped layered ruthenate ceramics,
Applied physics express,
Vol. 10,
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Y. Y. Yin,
X. Wang,
X. D. Shen,
Z. H. Liu,
T. Saito,
Y. Shimakawa,
H. Hojo,
Y. Ikuhara,
M. Azuma,
Z. W. Hu,
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Realization of Large Electric Polarization and Strong Magnetoelectric Coupling in BiMn3Cr4O12,
Advanced Materials,
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T. Ogata,
Y. Hattori,
F. M. Guo,
X. A. Fan,
Y. W. Li,
G. Q. Li,
H. Z. Gu,
Y. Ren,
Z. S. Lin,
M. Azuma,
X. R. Xing.
Colossal Volume Contraction in Strong Polar Perovskites of Pb(Ti,V)O3,
Journal of the American Chemical Society,
Vol. 139,
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J. Y. Yang,
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H. Hojo,
Z. W. Hu,
T. W. Pi,
Y. Soo,
C. Q. Jin,
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High-Pressure Synthesis of the Cobalt Pyrochlore Oxide Pb2Co2O7 with Large Cation Mixed Occupancy,
Inorganic Chemistry,
Vol. 56,
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Y. Okimoto,
S. Naruse,
R. Fukaya,
T. Ishikawa,
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K. Oka,
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K. Tanaka,
H. Hirori.
Ultrafast Control of the Polarity of BiCoO3 by Orbital Excitation as Investigated by Femtosecond Spectroscopy,
Physical Review Applied,
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B. W. Lebert,
M. P. M. Dean,
A. Nicolaou,
J. Pelliciari,
M. Dantz,
T. Schmitt,
R. Yu,
M. Azuma,
J. P. Castellan,
H. Miao,
A. Gauzzi,
B. Baptiste,
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Resonant inelastic x-ray scattering study of spin-wave excitations in the cuprate parent compound Ca2CuO2Cl2,
Physical Review B - Condensed Matter and Materials Physics,
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Yuki Sakai,
Junye Yang,
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Hajime Hojo,
Ikuya Yamada,
Ping Miao,
Sanghyun Lee,
Shuki Torii,
Takashi Kamiyama,
Marjana Ležaić,
G.Bihlmayer,
M. Mizumaki,
J.Komiyama,
T.Mizokawa,
H.Yamamoto,
T.Nishikubo,
Y.Hattori,
K. Oka,
Y.Yin,
J.Dai,
W.Li,
S.Ueda,
A.Aimi,
D.Mori,
Y. Inaguma,
Z.Hu,
T. Uozumi,
C.Jin,
Y.Long,
Masaki Azuma.
A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO3,
Journal of the American Chemical Society,
Vol. 139,
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Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe1-xCoxO3 Thin Films,
Advanced materials,
Vol. 29,
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p. 1603131,
Mar. 2017.
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Mirza HK Rubel,
Takahiro Takei,
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Kiyoharu Tadanaga,
Kengo Oka,
Masaki Azuma,
Eisuke Magome,
Chikako Moriyoshi.
Hydrothermal Synthesis, Structure, and Superconductivity of Simple Cubic Perovskite (Ba0. 62K0. 38)(Bi0. 92Mg0. 08) O3 with T c∼ 30 K,
Inorganic Chemistry,
Feb. 2017.
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N. Kumada,
A. Nakamura,
Akira Miura,
T. Takei,
M. Azuma,
H. Yamamoto,
E. Magome,
C. Moriyoshi,
Y. Kuroiwa.
Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO4,
Journal Of Solid State Chemistry,
Vol. 245,
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Jan. 2017.
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Hajime Hojo,
Ryo Kawabe,
Keisuke Shimizu,
Hajime Yamamoto,
Ko Mibu,
Kartik Samanta,
Tanusri Saha‐Dasgupta,
Masaki Azuma.
Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe1− xCoxO3 Thin Films,
Advanced Materials,
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Nobuhiro Kumada,
Ayumi Nakamura,
Akira Miura,
Takahiro Takei,
Masaki Azuma,
Hajime Yamamoto,
Eisuke Magome,
Chikako Moriyoshi,
Yoshihiro Kuroiwa.
Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO 4,
Journal of Solid State Chemistry,
Vol. 245,
pp. 30-33,
Oct. 2016.
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Zhao Pan,
Jun Chen,
Runze Yu,
Hajime Yamamoto,
Yangchun Rong,
Lei Hu,
Qiang Li,
Kun Lin,
Li You,
Kun Zhao,
Masaki Azuma.
Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi (Zn0. 5Ti0. 5) O3-BiFeO3,
Inorganic Chemistry,
Vol. 55,
No. 19,
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Sept. 2016.
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Nakano Kiho,
Oka Kengo,
Watanuki Tetsu,
Mizumaki Masaichiro,
Machida Akihiko,
Agui Akane,
Kim Hyunjeong,
Komiyama Jun,
Mizokawa Takashi,
Nishikubo Takumi,
Masaki Azuma.
Glassy Distribution of Bi3+/Bi5+ in Bi1–x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer,
Chemistry of Materials,
Vol. 28,
No. 17,
pp. 6062-6067,
Aug. 2016.
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Keisuke Shimizu,
Hajime Hojo,
Yuichi Ikuhara,
Masaki Azuma.
Enhanced Piezoelectric Response due to Polarization Rotation in Cobalt‐Substituted BiFeO3 Epitaxial Thin Films,
Advanced Materials,
Vol. 28,
No. 39,
pp. 8639-8644,
Aug. 2016.
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Kengo Oka,
Hajime Hojo,
Masaki Azuma,
Katsuyoshi Oh-ishi.
Temperature-Independent, Large Dielectric Constant Induced by Vacancy and Partial Anion Order in the Oxyfluoride Pyrochlore Pb2Ti2O6− δF2δ,
Chemistry of Materials,
Vol. 28,
No. 15,
pp. 5554-5559,
July 2016.
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Runze Yu,
Narumi Matsuda,
Ken Tominaga,
Keisuke Shimizu,
Hajime Hojo,
Yuki Sakai,
Hajime Yamamoto,
Kengo Oka,
Masaki Azuma.
High-Temperature Monoclinic Cc Phase with Reduced c/a Ratio in Bi-based Perovskite Compound Bi2ZnTi1−xMnxO6,
Inorganic Chemistry,
Vol. 55,
No. 12,
pp. 6124-6129,
June 2016.
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Octavianti Naa,
Nobuhiro Kumada,
Akira Miura,
Takahiro Takei,
Masaki Azuma,
Yoshihiro Kusano,
Kengo Oka.
High-Pressure Polymorph of NaBiO3,
Inorganic Chemistry,
Vol. 55,
No. 12,
pp. 5747-5749,
June 2016.
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Naa Octavianti,
Nobuhiro Kumada,
Miura Akira,
Takahiro Takei,
Masaki Azuma,
Yoshihiro Kusano,
Kengo Oka.
High-Pressure Polymorph of NaBiO3,
Inorganic chemistry,
Vol. 55,
No. 12,
pp. 5747-5749,
June 2016.
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Hajime Yamamoto,
Takumi Kihara,
Kengo Oka,
Tokunaga Masashi,
Ko Mibu,
Masaki Azuma.
Spin Structure Change in Co-Substituted BiFeO3 ,
Journal of the Physical Society of Japan,
Vol. 85,
pp. 064704-1-4,
May 2016.
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Mirza H. K. Rubel,
Takahiro Takei,
Nobuhiro Kumada,
M. Mozahar Ali,
Akira Miura,
Kiyoharu Tadanaga,
Kengo Oka,
Masaki Azuma,
Masatomo Yashima,
Kotaro Fujii,
Eisuke Magome,
Chikako Moriyoshi,
Yoshihiro Kuroiwa,
James R. Hester,
Maxim Avdeev.
Hydrothermal Synthesis, Crystal Structure, and Superconductivity of a Double-Perovskite Bi Oxide,
Chem Mater,
Vol. 28,
pp. 459-465,
2016.
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Masaki Azuma,
Kengo Oka,
Koichiro Nabetani.
Negative thermal expansion induced by intermetallic charge transfer,
Science and Technology of Advanced Materials,
Vol. 16,
pp. 034904 1-8,
Sept. 2015.
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Runze Yu,
Hajime Hojo,
Tetsu Watanuki,
Masaichiro Mizumaki,
Takashi Mizokawa,
Kengo Oka,
Hyunjeong Kim,
Akihiko Machida,
Kouji Sakaki,
Yumiko Nakamura,
Aguin Akane,
Daisuke Mori,
Yoshiyuki Inaguma,
Martin Schlipf,
Konstantin Z. Rushchanskii,
Marjana Lezaic,
Masaaki Matsuda,
Jie Ma,
Stuart Calder,
Masahiko Isobe,
Yuichi Ikuhara,
Masaki Azuma.
Melting of Pb Charge Glass and Simultaneous Pb−Cr Charge Transfer in PbCrO3 as the Origin of Volume Collapse,
Journal of the American Chemical Society,
Vol. 137,
pp. 12719-12728,
Sept. 2015.
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Xiao Wang,
Yisheng Chai,
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Yuichi Shimakawa,
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Hydrothermal synthesis of a new Bi-based (Ba0.82K0.18)(Bi0.53Pb0.47)O3 superconductor,
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Hajime Hojo,
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Sunseng Pyon,
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Superconductivity in Noncentrosymmetric Iridium Silicide Li2IrSi3,
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Kousuke Nishimura,
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Suppression of Temperature Hysteresis of Negative Thermal Expansion Induced by Charge Transfer in BiNi1−xFexO3,
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Yuya MURAMATSU,
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Preparation of Epoxy Resin/BiNiO3 Composites with Reduced Thermal Expansion,
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Yijin Liu,
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Five-dimensional visualization of phase transition in BiNiO3 under high pressure,
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Ko ONUMA,
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Crystal Structure and Electrical Properties of (1 −x )BiFeO3 –xBiCoO3 Thin Films Prepared by Pulsed Laser Deposition,
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Romain Gautier,
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Kenneth R. Poeppelmeier.
Spin Frustration from cis-Edge or -Corner Sharing Metal-Centered Octahedra,
Journal of the american chemical society,
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Izabela Sosnowska,
Masaki Azuma,
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Dariusz Wardecki,
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Kengo Oka,
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Crystal and Magnetic Structure in Co-Substituted BiFeO3,
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Kengo OKA,
Masaki AZUMA,
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BiCo1–xFexO3 の分極回転現象,
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Ikuya YAMADA,
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Tetsuo IRIFUNE.
Direct observation of negative thermal expansion in SrCu₃Fe₄O₁₂,
Journal of the Ceramic Society of Japan,
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Makoto Kubota,
Kengo Oka,
Hisato Yabuta,
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Structure and Magnetic Properties of BiFe1−xCoxO3 andBi0.9Sm0.1Fe1−xCoxO3,
Inorganic Chemistry,
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Hiroshi Yamagami,
Y. Nakamura,
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Enhanced ferromagnetic moment in Co-doped BiFeO3 thin films studied by soft x-ray circular dichroism,
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Hajime Hojo,
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Effect of Oxygen Pressure on Electrical Properties of BiFe0.9Co0.1O3 Thin Films Prepared by Pulsed Laser Deposition,
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Kengo Oka,
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Tuning negative thermal expansion in Bi1-XLnXNiO3(Ln=La,Nd,Eu,Dy),
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Matteo d’Astuto,
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Phonon anomalies and lattice dynamics in the superconducting oxychlorides Ca2−xCuO2Cl2,
PHYSICAL REVIEW B,
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Kengo Oka,
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Intermetallic charge-transfer transition in Bi1−xLaxNiO3 as the origin of the colossal negative thermal expansion,
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Impact of Mn–O–O–Mn superexchange pathways in a honeycomb lattice Mn oxide with small charge-transfer energy,
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Cu NQR and NMR Studiesof Optimally Doped Ca2xNaxCuO2Cl2,
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Cu NQR and NMR Studies of Optimally Doped Ca2-xNaxCuO2Cl2,
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Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance,
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Coherence Factors in a High-Tc Cuprate Probed by Quasi-Particle Scattering Off Vortices,
Science,
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Hydrothermal Synthesis of a New Double Perovskite-Type Bismuthate, (Ba0.75K0.14H0.11)BiO3•nH2O,
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First-principles study of defect-induced potentials in Ca2CuO2Cl2.,
Phys. Rev. B,
Vol. 80,
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2009.
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Mizokawa, T.,
Y. Morita,
T. Sudayama,
K. Takubo,
I. Yamada,
M. Azuma,
M. Takano,
Y. Shimakawa.
Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A = Ca and Y) controlled by Mott and Zhang-Rice physics.,
Phys. Rev. B,
Vol. 80,
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2009.
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Long, Y.W.,
T. Saito,
T. Tohyama,
K. Oka,
M. Azuma,
Y. Shimakawa.
Intermetallic Charge Transfer in A-Site-Ordered Double Perovskite BiCu3Fe4O12.,
Inog. Chem.,
Vol. 48,
pp. 8489-8492,
2009.
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Kengo Oka,
Masaki Azuma,
Ikuya Yamada,
Soshi Takeshita,
Kohki Satoh,
Akihiro Koda,
Ryosuke Kadono,
Mikio Takano,
Yuichi Shimakawa.
Magnetic ground-state of perovskite PbVO3 with large tetragonal distortion,
Inorganic Chemistry,
Vol. 47,
No. 16,
pp. 7355,
Aug. 2008.
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Kengo Oka,
Masaki Azuma,
Naoaki Hayashi,
Shigetoshi Muranaka,
Yasuo Narumi,
Koichi Kindo,
Masatsune Kato,
Yoji Koike,
Yuichi Shimakawa,
Mikio Takano.
Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4,
Journal of the Physical Society of Japan,
Vol. 77,
No. 6,
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June 2008.
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Hiroshi Shiraki,
T. Saito,
M. Azuma,
Y. Shimakawa.
Metallic behavior in A-site-ordered perovskites ACu3V4O12 with A = Na+, Ca2+, and Y3+.,
J. Phys. Soc. Jpn.,
Vol. 77,
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2008.
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N. Ichikawa,
M. Arai,
Y. Imai,
K. Hagiwara,
H. Sakama,
M. Azuma,
Y. Shimakawa,
M. Takano,
Y. Kotaka,
M. Yonetani,
H. Fujisawa,
M. Shimizu,
K. Ishikawa,
Y. Cho.
Multiferroism at Room Temperature in BiFeO3/BiCrO3(111) Artificial Superlattices,
Applied Physics Express,
Vol. 1,
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2008.
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A. A. Belik,
M. Nagao,
M. Azuma,
M. Takano,
Y. Matsui,
E. Takayama-Muromachi.
Structural and Physical Properties of Heavily Doped Yttrium Vanadate: Y0.6Cd0.4VO3,
Chem. Mater.,
Vol. 20,
pp. 5246-5252,
2008.
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S. J. E. Carlsson,
M. Azuma,
Y. Shimakawa,
M. Takano,
A. Hewat,
J. P. Attfield.
Neutron powder diffraction study of the crystal and magnetic structures of BiNiO3 at low temperature.,
J. Solid State Chem.,
Vol. 181,
pp. 611-615,
2008.
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I. Yamada,
K. Takata,
N. Hayashi,
Shinohara Satoshi,
M. Azuma,
Shigeo Mori,
S. Muranaka,
Y. Shimakawa,
M. Takano.
A perovskite containing quadrivalent iron as a charge-disproportionated ferrimagnet.,
Angew. Chem. Int. Ed.,
Vol. 47,
pp. 7032-7035,
2008.
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H. Ohta,
S. Okubo,
K. Shiraki,
Makoto Yoshida,
A. A. Belik,
M. Azuma,
M. Takano.
High field ESR measurements on one dimensional antiferromagnetic zigzag chain systems.,
J. Korean Phys. Soc,
Vol. 53,
pp. 999-1005,
2008.
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S. Ishiwata,
I. Terasaki,
M. Azuma,
M. Takano.
High pressure synthesis and structure of a new magnetoplumbite-type cobalt oxide SrCo12O19.,
J. Solid State Chem.,
Vol. 181,
Page 1273-1278,
2008.
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M. Azuma,
S. Carlsson,
J. Rodgers,
M. G. Tucker,
M. Tsujimoto,
S. Ishiwata,
S. Isoda,
Y. Shimakawa,
M. Takano,
J. P. Attfield.
Pressure-Induced Intermetallic Valence Transition in BiNiO3,
Journal of the American Chemical Society,
Vol. 129,
No. 46,
pp. 14433-14436,
Oct. 2007.
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A. A. Belik,
N. Hayashi,
M. Azuma,
S. Muranaka,
M. Takano,
E. Takayama-Muromachi.
Magnetic and Mossbauer studies of 5% Fe-doped BiMnO3,
J. Solid State Chem.,
Vol. 180,
pp. 3401-3407,
2007.
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I. Yamada,
M. Azuma,
Y. Shimakawa,
M. Takano.
Single crystal growth of A-site deficient superconductor Ca2-xCuO2Cl2.,
Physica C,
Vol. 460,
pp. 420-421,
2007.
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Noriaki Oba,
H. Kageyama,
T. Saito,
M. Azuma,
Werner Paulus,
Taro Kitano,
Yoshitami Ajiro,
K. Yoshimura.
Synchrotron X-ray diffraction study on the square-lattice antiferromagnets (CuCl)LaNb2O7 and (FeCl)LaNb2O7,
N. Oba, H. Kageyama, T. Saito, M. Azuma, W. Paulus, T. Kitano, Y. Ajiro, K. Yoshimura,
Vol. 310,
pp. 1337-1339.,
2007.
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Kengo Oka,
Masaki Azuma,
Yasuo Narumi,
Koichi Kindo,
Naoaki Hayashi,
Yuichi Shimakawa,
Mikio Takano.
三角格子反強磁性体InFe2O4の合成と物性,
粉体および粉末冶金,
Vol. 54,
No. 1,
pp. 53-57,
2007.
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M. Kawai,
Takashi Saito,
Naoaki Hayashi,
Masaki Azuma,
Mikio Takano,
Yuichi Shimakawa.
高圧法を用いた層状化合物AFe6-xMnxO11 (A=Ba, Sr)の合成,
粉体および粉末冶金,
Vol. 54,
No. 1,
pp. 58-63,
2007.
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T. Hanaguri,
Y. Kohsaka,
J. C. Davis,
C. Lupien,
I. Yamada,
M. Azuma,
M. Takano,
K. Ohishi,
M. Ono,
H. Takagi.
Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2,
Nature Physics,
Vol. 3,
pp. 865-871,
2007.
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Y. Shimakawa,
D. Kan,
M. Kawai,
M. Sakai,
S. Inoue,
M. Azuma,
S. Kimura,
O. Sakata.
Direct observation of B-site ordering in multiferroic Bi2NiMnO6 thin film,
Jpn. J. Appl. Phys.Part 2,
Vol. 46,
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2007.
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T. Lancaster,
S. J. Blundell,
P. J. Baker,
F. L. Pratt,
W. Hayes,
I. Yamada,
M. Azuma,
M. Takano.
A muon-spin relaxation study of BiMnO3,
Journal of Physics-Condensed Matter,
Vol. 19,
2007.
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Hiroshi Shiraki,
Takashi Saito,
Takahiro Yamada,
Masahiko Tsujimoto,
Masaki Azuma,
Hiroki Kurata,
Syoji Isoda,
Mikio Takano,
Yuichi Shimakawa.
Aサイトオーダーダブルペロブスカイト型構造を持つ強磁性銅酸化物CaCu3Ge4O12及びCaCu3Sn4O12,
粉体および粉末冶金,
Vol. 55,
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pp. 132-136,
2007.
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K. Takata,
I. Yamada,
M. Azuma,
M. Takano,
Y. Shimakawa.
Magnetoresistance and electronic structure of the half-metallic ferrimagnet BiCu3Mn4O12,
Phys. Rev. B,
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2007.
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Y. Kohsaka,
C. Taylor,
K. Fujita,
A. Schmidt,
C. Lupien,
T. Hanaguri,
M. Azuma,
M. Takano,
H. Eisaki,
H. Takagi,
S. Uchida,
J.C. Davis.
An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates,
Science,
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2007.
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T. Hanaguri,
Y. Kohsaka,
J. C. Davis,
C. Lupien,
I. Yamada,
M. Azuma,
M. Takano,
Kazuki Ooishi,
H. Takagi.
Low-energy spectroscopic mapping studies in optimally-doped Ca2-xNaxCuO2Cl2.,
Physica C,
Vol. 460,
pp. 954-955,
2007.
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M. Azuma,
Hirochika Kanda,
A. A. Belik,
Y. Shimakawa,
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Magnetic and Structural Properties of BiFe1-xMnxO3,
J. Mag. Mag. Mater.,
Vol. 310,
pp. 1177-1179,
2007.
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K.M. Shen,
F. Ronning,
W. Meevasana,
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N.J.C. Ingle,
F. Baumberger,
W.S. Lee,
L.L. Miller,
Y. Kohsaka,
M. Azuma,
M. Takano,
H. Takagi,
Z.-X. Shen.
Angle-Resolved Photoemission Studies of Lattice Polaron Formation in the Cuprate Ca2CuO2Cl2,
Phys. Rev. B,
Vol. 75,
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2007.
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S. Ishiwata,
M. Azuma,
M. Takano.
Structure and Physical Properties of Perovskite Bi0.8Pb0.2NiO3 in Unusual Valence State A4+B2+O3,
Chem. Mater.,
Vol. 19,
No. 8,
Page 1964-1967,
2007.
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A.A. Belik,
S. Iikubo,
Tadahiro Yokosawa,
K. Kodama,
N. Igawa,
S. Shamoto,
M. Azuma,
M. Takano,
Koji Kimoto,
Yoshio Matsui,
E. Takayama-Muromachi.
Origin of the Monoclinic-to-Monoclinic Phase Transition and Evidence for the Centrosymmetric Crystal Structure of BiMnO3,
J. Am. Chem. Soc.,
Vol. 129,
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pp. 971-977,
2007.
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H. Shiraki,
T. Saito,
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M. Tsujimoto,
M. Azuma,
Hiroki Kurata,
Syoji Isoda,
M. Takano,
Y. Shimakawa.
Ferromagnetic cuprates CaCu3Ge4O12 and CaCu3Sn4O12 with A-site ordered perovskite structure,
Phys. Rev. B,
Vol. 76,
pp. 140403/1-4.,
2007.
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Kousuke Nishimura,
Masaki Azuma,
Mikio Takano,
Yuichi Shimakawa.
ダブルペロブスカイトPb2FeReO6の合成と物性,
粉体および粉末冶金,
Vol. 55,
No. 2,
pp. 137-140,
2007.
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H. Wadati,
Kiyonao Tanaka,
A. Fujimori,
T. Mizokawa,
H. Kumigashira,
M. Oshima,
S. Ishiwata,
M. Azuma,
M. Takano.
Temperature-dependent photoemission and x-ray absorption studies of the metal-insulator transition in Bi1−xLaxNiO3,
Phys. Rev. B,
Vol. 76,
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2007.
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A.A. Belik,
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Crystal Structure and Properties of Phosphate PbCu2(PO4)2 with Spin-Singlet Ground State,
Phys. Rev., 73,
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2006.
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W. Zhang,
N. Kumada,
Y. Yonesaki,
T. Takei,
N. Kinomura,
T. Hayashi,
M. Azuma,
M. Takano.
Ferroelectric perovskite-type barium copper niobate: BaCu1/3Nb2/3O3,
Solid State Chem.,
Vol. 179,
pp. 4052-4055,
2006.
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Atsunobu Masuno,
Mitsutaka Haruta,
M. Azuma,
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M. Takano,
Y. Shimakawa.
Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films,
Appl. Phys. Lett.,
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H. Ohta,
H. nojiri,
A.A. Belik,
M. Azuma,
M. Takano.
ESR Measurements on One-Dimensional Quantum Ferrimagnets A3Cu3(PO4)4 with A=Sr and Ca in Submillimeter-Wave Region,
J. Phys. Soc. Jpn.,
Vol. 75,
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2006.
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A.A. Belik,
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Katsuaki Kodama,
Naoki Igawa,
Shin-ichi Shamoto,
Seiji Niitaka,
M. Azuma,
Y. Shimakawa,
M. Takano,
F. Izumi,
E. Takayama-Muromachi.
Neutron Powder Diffraction Study on the Crystal and Magnetic Structures of BiCoO3,
Chem. Mater.,
Vol. 18,
No. 3,
pp. 798-803,
2006.
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M. Azuma,
S. Niitaka,
A. Belik,
S. Ishiwata,
T. Saito,
K. Takata,
I. Yamada,
Y. Shimakawa,
M. Takano.
Magnetic Ferroelectrics Bi, Pb-3d Transition Metal Perovskites,
Transactions of Materials Research Society of Japan,
Vol. 31,
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2006.
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J.T.Rijssenbeek,
T. Saito,
S.Malo,
M. Azuma,
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K.R. Poeppelmeier.
Effect of Explicit Cationic Size and Valence Constraints on the Phase Stability of 1:2 B-Site-Ordered Perovskite Ruthenates,
J. Am. Chem. Soc.,
Vol. 127,
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S. Ishiwata,
M. Azuma,
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Kazuki Ooishi,
K. Kato,
M. Takata,
Eiji Nishibori,
M. Sakata,
I. Terasaki,
M. Takano.
Pressure/Temperature/Substitution-Induced Melting of A-Site Charge Disproportionation in Bi1-xLaxNiO3 (0≤x≤0.5),
Phys. Rev. B,
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2005.
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Kazuki Ooishi,
I. Yamada,
Akihiro Kohda,
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Saha S.R.,
R. Kadono,
Kojima K.M.,
M. Azuma,
M. Takano.
Magnetic Phase Diagram of Hole-Doped Ca2-xNaxCuO2Cl2 Cuprate Superconductor,
J. Phys. Soc Jpn,
Vol. 74,
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pp. 2408-2412,
2005.
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A.A. Belik,
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Whangbo M.-H.,
Koo H.-J.,
Kikuchi J.,
Tomoyuki Kaji,
S. Okubo,
H. Ohta,
K. Kindo,
M. Takano.
Investigation of the Crystal Structure and the Structural and Magnetic Properties of SrCu2(PO4)2,
Inorg. Chem.,
Vol. 44,
No. 19,
pp. 6632-6640,
2005.
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A.A. Belik,
F. Izumi,
M. Azuma,
T. Kamiyama,
Oikawa K.,
Pokholok K.V.,
B.I. Lazoryak,
M. Takano.
Redox Reactions in Strontium Iron Phosphates: Synthesis, Structures, and Characterization of Sr9Fe(PO4)7 and Sr9FeD(PO4)7,
Chem. Mater.,
Vol. 17,
No. 22,
pp. 5455-5464,
2005.
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Alexei A. Belik,
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Y. Shimakawa,
M. Takano.
Crystallographic Features and Tetragonal Phase Stability of PbVO3, a New Member of PbTiO3 Family,
Chem. Mater.,
Vol. 17,
No. 2,
Page 269-273,
2005.
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Kazuhide Takata,
Masaki Azuma,
Yuichi Shimakawa,
Mikio Takano.
高圧合成法を用いた強磁性強誘電体ビスマスダブルペロブスカイトの探索,
粉体および粉末冶金,
Vol. 52,
No. 12,
pp. 913-917,
2005.
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A.A. Belik,
M. Azuma,
M. Takano.
Magnetic Properties of Isostructural BaCoP2O7, BaNiP2O7 and BaCuP2O7 Studied with dc and ac Magnetization and Specific Heat,
Inorg. Chem.,
Vol. 44,
No. 21,
Page 7523-7529,
2005.
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M. Azuma,
Kazuhide Takata,
T. Saito,
S. Ishiwata,
Y. Shimakawa,
M. Takano.
Designed Ferromagnetic, Ferroelectric Bi2NiMnO6,
J. Am. Chem. Soc.,
Vol. 127,
No. 24,
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2005.
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A.A. Belik,
M. Azuma,
Akira Matsuo,
K. Kindo,
M. Takano.
Low-Dimensional Ferromagnetic Properties of SrCuV2O7 and BaCuV2O7,
Inorg. Chem,
Vol. 44,
No. 10,
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2005.
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Kaji,
S. Okubo,
H. Ohta,
Yuhji Inagaki,
A.A. Belik,
M. Azuma,
M. Takano.
High Field ESR Measurements of Spin Gap System MCu2(PO4)2,
J. Phys. & Chem. Solids,,
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2005.
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A.A. Belik,
A. Matsuo,
M. Azuma,
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Long-Range Magnetic Ordering of S=1/2 Linear Trimers in A3Cu3(PO4)4 (A=Ca, Sr, and Pb),
J. Solid State Chem.,
Vol. 178,
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pp. 709-714,
2005.
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Masaaki Matsuda,
K. Kakurai,
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M. Azuma,
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M. Fujita.
Magnetic Excitations from the Linear Heisenberg Antiferromagnetic Spin Trimer System A3Cu3(PO4)4 (A=Ca, Sr, and Pb),
Phys. Rev. B,
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2005.
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R. Yu,
X. Xing,
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M. Azuma,
M. Takano,
D. Wang,
Y. Chen,
N. Kumada,
N. Kinomura.
A Novel Organically Templated Hybrid Open-Framework Manganese Phosphate-Oxalate,
Solid State Sciences,
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pp. 221-226,
2005.
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K.M. Shen,
F. Ronning,
D.H. Lu,
F. Baumberger,
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W.S. Lee,
W. Meevasana,
Y. Kohsaka,
M. Azuma,
M. Takano,
M. Takagi,
Z.-X. Shen.
Nodal Quasiparticles and Antinodal Charge Ordering in Ca2-xNaxCuO2Cl2,
Science,
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2005.
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S. Okubo,
Akio Taketani,
H. Ohta,
T. Kunimoto,
Y. Inagaki,
T. Saito,
M. Azuma,
M. Takano,
H. Kikuchi.
High Field ESR Measurements of S=1/2 Diamond Chain Substance Cu3(CO3)2(OH)2 at the Magenetization Plateau Region,
Progress of Theoretical Physics Supplement,
No. 159,
pp. 11-16,
2005.
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K. Shiraki,
M. Yoshida,
S. Okubo,
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A.A. Belik,
M. Azuma,
M. Takano.
High Field ESR Measurements of MCuP2O7 (M=Sr, Pb),
Progress of Theoretical Physics Supplement,
No. 159,
pp. 168-172,
2005.
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S. Ghosh,
Kamaraju N.,
Seto M.,
A. Fujimori,
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S. Kawasaki,
M. Azuma,
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Raman Scattering in CaFeO3 and La0.33Sr0.67FeO3 across the Charge-Disproportionation Phase Transition,
Phys. Rev. B,
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2005.
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Yamada,
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M. Takano.
Single-Layer Oxychloride Superconductor Ca2-xCuO2Cl2 with A-Site Cation Deficiency,
Phys. Rev. B,
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2005.
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Daiki Wadati,
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Atsushi Fujimori,
Akira Chikamatsu,
Hiroshi Kumigashira,
M Oshima,
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M. Azuma,
M. Takano.
Valence Changes Associated with the Metal-Insulator Transition in Bi1-xLaxNiO3,
Phys. Rev. B,
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2005.
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Qiu Y.,
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Spin-Trimer Antiferromagnetism in La4Cu3MoO12,
Phys. Rev. B,
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2005.
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Y. Inagaki,
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S. Okubo,
H. Ohta,
T. Saito,
M. Azuma,
M. Takano,
H. Nojiri,
M Kaburagi,
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Ferro-Antiferromagnetic Delta-Chain System Studied by High Field Magnetization Measurements,
J. Phys. Soc. Jpn.,
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2005.
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S. Niitaka,
M. Azuma,
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M. Takata,
M. Sakata.
Crystal Structure and Dielectric and Magnetic Properties of BiCrO3 as a Ferroelectromagnet,
Solid State Ionics,
Vol. 172,
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pp. 557-559,
2004.
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Kensaku Hiraka,
Yuta Nagasaka,
T. Kunimoto,
Y. Inagaki,
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H. Ohta,
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M. Takano.
Magnetic Phase Transition of High-Pressure Phase (VO)2P2O7 Studied by High-Field ESR Measurements,
J. Mag. Mag. Mat.,
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F. Baumberger,
A. Damascelli,
N. P. Armitage,
L. L. Miller,
Y. Kohsaka,
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M. Takano,
H. Takagi,
Z.-X. Shen.
Missing Quasiparticles and the Chemical Potential Puzzle in the Doping Evolution of the Cuprate Superconductors,
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Shen K.M.,
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Damascelli A.,
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Y. Kohsaka,
H. Takagi,
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Uchida S.,
Mang P.K.,
Greven M.,
Onose Y.,
Y. Tokura,
Ando Y.,
S. Komiya,
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Fully Gapped Single-Particle Excitations in Lightly Doped Cuprates,
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Stefanovich S.Y.,
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M. Takano,
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Synthesis and Characterization of the First Organically Templated Layered Cerium Phosphate Fluoride: [(CH2)2(NH3)2]0.5[CeIVF3(HPO4)],
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Pressure-Induced Metal-Insulator Transition in BiNiO3,
Solid State Ionics,,
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A.A. Belik,
M. Azuma,
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Magnetic Properties of Some Cu-Containing Phosphates,
J. Mag. Mag. Mat.,
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Yamada,
M. Azuma,
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Superconductivity at 38 K in the Single Layer Oxychloride without Cation Substitution,
Physica C,,
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T. Hanaguri,
C Lupien,
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M. Azuma,
M. Takano,
H. Takagi,
J.C. Davis.
A 'Checkerboard' Electronic Crystal State in Lightly Hole-Doped Ca2-xNaxCuO2Cl2,
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J. Kikuchi,
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NMR Characterization of Spin-1/2 Alternating Antiferromagnetic Chains in the High-Pressure Phase of (VO)2P2O7,
J. Phys.:Condens. Matter,
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No. 12,
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M. Azuma,
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Pressure-Induced Buckling of Spin Ladder in SrCu2O3,
J. Am. Chem. Soc.,
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No. 26,
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Yuhki Kousaka,
K. Iwaya,
S. Satow,
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Imaging Nanoscale Electronic Inhomogeneity in the Lightly Doped Mott Insulator Ca2-xNaxCuO2Cl2,
Phys. Rev. Lett.,
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A.A. Belik,
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Phase Transitions in Sr-Containing Phosphates and Vanadates with -Ca3(PO4)2-Related Structures,
Solid State Ionics,
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A.A. Belik,
M. Azuma,
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Characterization of Quasi-One-Dimensional S=1/2 Heisenberg Antiferromagnets Sr2Cu(PO4)2 and Ba2Cu(PO4)2 with Magnetic Susceptibility, Specific Heat, and Thermal Analysis,
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A.A. Belik,
M. Azuma,
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B.I. Lazoryak.
SrFe2(PO4)2: Ab Initio Structure Determination with X-Ray Powder Diffraction Data and Unusual Magnetic Properties,
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T. Saito,
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E. Nishibori,
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M. Sakata,
N. Nakayama,
T. Arima,
Tsuyoshi Kimura,
C. Urano,
M. Takano.
Monoclinic Distortion in the Insulating Phase of PrNiO3,
Physica B,
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No. Part II,
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Y. Kohsaka,
T. Hanaguri,
Kohichi Kitazawa,
M. Azuma,
M. Takano,
H. Takagi.
Real Space Imaging of the Electronic States in Underdoped Ca2-xNaxCuO2Cl2 Single Crystals,
Journal of Low Temperature Physics,,
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pp. 299-303,
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M. Azuma,
T. Saito,
S. Ishiwata,
I. Yamada,
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Single Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa,
Physica C,,
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22-28,
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T Kimura,
S Kawamoto,
I. Yamada,
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Magnetocapacitance Effect in Multiferroic BiMnO3,
Phys. Rev. B,,
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T. Uchino,
A. Sakoh,
M. Azuma,
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M. Takahashi,
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T. Yoko.
Anelastic Compression of Nanometer-Sized Silica Particles under High Pressure: A High-Energy X-Ray Diffraction Measurement,
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H. Ohta,
S. Okubo,
Tomohisa Kamikawa,
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Y. Inagaki,
H. Kikuchi,
T. Saito,
M. Azuma,
M. Takano.
High Field ESR Study of the S=1/2 Diamond-Chain Substance Cu3(CO3)2(OH)2 up to the Magnetization Plateau Region,
J. Phys. Soc. Jpn.,
Vol. 72,
No. 10,
pp. 2464-2467,
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Y. Kohsaka,
T. Hanaguri,
K. Kitazawa,
M. Azuma,
M. Takano,
H. Takagi.
STM/STS Study on Ca2-xNaxCuO2Cl2 Single Crystals,
Physica C,,
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pp. 283-284,
2003.
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T. Kunimoto,
T. Kamikawa,
Y. Inagaki,
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H. Ohta,
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T. Saito,
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ESR Study of Frustrared Δ-Chain System,
Physica B,
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No. 2,
pp. 1057-1058,
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T. Kamikawa,
S. Okubo,
T. Kunimoto,
H. Ohta,
Y. Inagaki,
H. Kikuchi,
T. Saito,
M. Azuma,
M. Takano.
High Field ESR Measurement of Diamond Chain Substance Cu3(OH)2(CO3)2,
Physica B,
Vol. 329-333,
No. 2,
pp. 988-989,
2003.
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A.A. Belik,
M. Azuma,
M. Takano.
Short-range and Long-range Magnetic Ordering in SrCuP2O7 and PbCuP2O7,
Inorg. Chem.,
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Page 8572-8578,
2003.
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Masaki Azuma.
高圧合成法を用いた新しい遷移金属酸化物の探索と単結晶育成,
粉体および粉末冶金,
Vol. 50,
No. 4,
pp. 277-283,
2003.
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S. Ishiwata,
M. Azuma,
M. Takano,
E. Nishibori,
M. Takata,
MAKOTO SAKATA.
Suppression of A Site Charge Disproportionation in Bi1-xLaxNiO3,
Physica B,
Vol. 329-333,
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pp. 813-814,
2003.
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M. Azuma,
T. Saito,
I. Yamada,
Y. Kohsaka,
H. Takagi,
M. Takano.
Single Crystal Growth of Ca2-xNaxCuO2Cl2 and Related Compounds at High Pressures of Several GPa,
Journal of Low Temperature Physics,,
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No. 3/4,
pp. 671-679,
2003.
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Hirofumi Yoshida,
Takashi Saito,
Takahiro Yamada,
Masaki Azuma,
Mikio Takano.
スピン梯子化合物SrCu2O3およびSr2Cu3O5の圧力誘起構造相転移,
粉体および粉末冶金,
Vol. 49,
No. 5,
pp. 377-381,
2002.
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T. Uchino,
A. Sakoh,
M. Azuma,
M. Takano,
M. Takahashi,
T. Yoko.
A Novel Pressure-Induced Polymorphic Transition from Fumed Silica to Transparent Amorphous SiO2 at Room Temperature,
J. Phys.: Condens. Matter,
Vol. 14,
No. 44,
pp. 11111-11114,
2002.
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S. Ishiwata,
M. Azuma,
M. Takano,
E. Nishibori,
M. Takata,
M. Sakata,
K. Kato.
High Pressure Synthesis, Crystal Structure and Physical Properties of a New Ni(II) Perovskite BiNiO3,
J. Mater. Chem.,
Vol. 12,
No. 12,
pp. 3733-3737,
2002.
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M. Azuma,
T. Saito,
S. Ishiwata,
H. Yoshida,
M. Takano,
Y. Kohsaka,
H. Takagi,
W. Utsumi.
Single-Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa,
J. Phys.: Condens. Matter,
Vol. 14,
No. 44,
11321-11324,
2002.
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D.C. Johnston,
T. Saito,
M. Azuma,
M. Takano,
T. Yamauchi,
Y. Ueda.
Modeling of the Magnetic Susceptibilities of the Ambient- and High-Pressure Phases of (VO)2P2O7,
Phys. Rev. B,,
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No. 13,
pp. 134403-1-134403-23,
2001.
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Y. Narumi,
S. Kimura,
S. Hirai,
K. Kindo,
H. Schwenk,
S. Schmidt,
B. Wolf,
B. Lüthi,
T. Saito,
M. Azuma,
M. Takano.
High-Field Magnetization Measurements on Single Crystals of (VO)2P2O7,
Physica B,
Vol. 294-295,
pp. 71-74,
2001.
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Shintaro Ishiwata,
Masaki Azuma,
Takashi Saito,
Syuji Kawasaki,
Mikio Takano.
CaFeO3の高圧下単結晶育成,
粉体および粉末冶金,
Vol. 48,
No. 8,
pp. 715-718,
2001.
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T. Saito,
M. Azuma,
M. Fujita,
M. Takano.
Observation of the Spin Gap in a S=1/2 Alternating Chain Compound, High Pressure Phase of (VO)2P2O7,
J. Phys. Soc. Jpn.,,
Vol. 70,
Suppl. A,
pp. 183-185,
2001.
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Shigeki Osugi,
Y. Kitaoka,
M. Azuma,
Y. Fujishiro,
M. Takano,
T. Nagata,
H. Fujino,
J. Akimitsu.
Cu NMR/NQR Studies on Magnetism in Impurity/Hole-Doped Spin-Ladder Compounds,
Hyperfine Interactions,,
Vol. 133,
No. 1,
pp. 157-162.,
2001.
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H. Ohta,
S. Okubo,
T. Sakurai,
T. Goto,
K. Kirita,
K. Ueda,
Y. Uwatoko,
T. Saito,
M. Azuma,
M. Takano,
J. Akimitsu.
High-Frequency ESR Measurements Using Pulsed Magnetic Fields in Kobe,
Physica B,
Vol. 294-295,
pp. 624-629,
2001.
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M. Azuma,
T. Odaka,
M. Takano,
D.A.V. Griend,
K.R. Poeppelmeier,
Y. Narumi,
K. Kindo,
Yoshiaki Mizuno,
Sadamichi Maekawa.
Antiferromagnetic Ordering of S=1/2 Triangles in La4Cu3MoO12,
Phys. Rev. B,
Vol. 62,
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R3588-R3591,
2000.
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M.I. Larkin,
Y. Fudamoto,
I.M. Gat,
A. Kinkhabwala,
K.M. Kojima,
G.M. Luke,
J. Merrin,
B. Nachumi,
Y.J. Uemura,
M. Azuma,
T. Saito,
M. Takano.
Exponential Field Distribution in Sr(Cu1-xZnx)2O3,
Physica B,
Vol. 289-290,
pp. 153-156,
2000.
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S. Ohsugi,
Y. Kitaoka,
M. Azuma,
Y. Fujishiro,
M. Takano.
Antiferromagnetic Long-Range Order in Ni-Doped Spin-Ladder Compound SrCu2O3,
Physica B,
Vol. 281&282,
Page 665-666,
2000.
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N. Fujiwara,
M. Azuma,
M. Takano.
NMR Study of Zn-Doped SrCu2O3 near the Ordering Point,
Physica B,
Vol. 284-288,
Page 1392-1393,
2000.
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M. Azuma,
T. Saito,
M. Takano.
Two New Quantum Spin Compounds: S=1/2 Alternating Chain System, High Pressure Form of (VO)2P2O7 and 2D Spin Trimer Compound La4Cu3MoO12,
J. Phys. Soc. Jpn.,
Vol. 69,
Suppl. B,
108-113,
2000.
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D.A.V. Griend,
K.R. Poeppelmeier,
H. Toganoh,
M. Azuma,
M. Takano.
High Pressure Synthesis of Cuprate Perovskites,
Physica C,,
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2000.
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Naoki Fujiwara,
Takashi Saito,
M. Azuma,
M. Takano.
NMR Study of the Critical Behavior near the Ordering Point in a Zn-Doped Spin Ladder SrCu2O3,
Phys. Rev. B,
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2000.
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M.I. Larkin,
Y. Fudamoto,
I.M. Gat,
A. Kinkhabwala,
K.M. Kojima,
G.M. Luke,
M. Merrin,
B. Nachumi,
Y.J. Uemura,
M. Azuma,
T. Saito,
M. Takano.
Crossover from Dilute to Majority Spin Freezing in Two Leg Ladder System Sr(Cu, Zn)2O3,
Phys. Rev. Lett.,
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2000.
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M. Azuma,
T. Saito,
Z. Hiroi,
M. Takano,
Yasuo Narumi,
K. Kindo.
New S=1/2 Alternating Chain Compound - High Pressure Form of (VO)2P2O7 -,
ACTA Physica Polonica A,,
Vol. 97,
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2000.
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T. Saito,
Takahito Terashima,
M. Azuma,
M. Takano,
T. Goto,
H. Ohta,
Wataru Utsumi,
Pier Bordet,
David C. Johnston.
Single Crystal Growth of the High Pressure Phase of (VO)2P2O7 at 3 GPa,
J. Solid State Chem.,
Vol. 153,
No. 1,
pp. 124-131,
2000.
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K.R. Thurber,
Takashi Imai,
Takashi Saito,
M. Azuma,
M. Takano,
F.C. Chou.
63Cu NQR Evidence of Dimensional Crossover to Anisotropic 2D Regime in S=1/2 Three-Leg Ladder Sr2Cu3O5,
Phys. Rev. Lett.,
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No. 3,
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2000.
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D.A.V. Griend,
S. Boudin,
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K.R. Poeppelmeier,
Wang Y.,
Dravid V.P.,
M. Azuma,
M. Takano,
Z. Hu,
Jorgensen J.D..
La4Cu3MoO12: A Novel Cuprate with Unusual Magnetism,
J. Am. Chem. Soc.,
Vol. 121,
No. 20,
pp. 4787-4792,
1999.
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Takashi Saito,
Masaki Azuma,
Mikio Takano,
zenji hiroi,
Yasuo Narumi,
Koichi Kindo,
Wataru Utsumi.
スピンギャップ化合物(VO)2P2O7高圧相の磁性と単結晶作製,
粉体および粉末冶金,
Vol. 46,
No. 9,
pp. 1014-1019,
1999.
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M. Azuma,
T. Saito,
Y. Fujishiro,
Z. Hiroi,
M. Takano,
F. Izumi,
T. Kamiyama,
T. Ikeda,
Y. Narumi,
K. Kindo.
High-Pressure Form of (VO)2P2O7: A Spin-1/2 Antiferromagnetic Alternating-Chain Compound with One Kind of Chain and a Single Spin Gap,
Phys. Rev. B,
Vol. 60,
No. 14,
pp. 10145-10149,
1999.
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Z. Hiroi,
M. Azuma,
Y. Fujishiro,
T. Saito,
M. Takano,
Fujio Izumi,
T. Kamiyama,
Takushi Ikeda.
Structural Study of the Quantum-Spin Chain Compound (VO)2P2O7,
J. Solid State Chem.,,
Vol. 146,
pp. 369-379,
1999.
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S Ohsugi,
Y. Tokunaga,
K. Ishida,
Y. Kitaoka,
M. Azuma,
Yoshie Fujishiro,
M. Takano.
Impurity-Induced Staggered Polarization and Antiferromagnetic Order in Spin-1/2 Heisenberg Two-Leg Ladder Compound SrCu2O3: Extensive Cu NMR and NQR Studies,
Phys. Rev. B,
Vol. 60,
No. 6,
Page 4181-4190,
1999.
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S. Ohsugi,
Y. Kitaoka,
You Tokunaga,
K. Ishida,
M. Azuma,
Y. Fujishiro,
M. Takano.
Impurity Effect of the Spin-Ladder System SrCu2O3,
Physica B,
Vol. 259-261,
Page 1040-1041,
1999.
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D.A.V. Griend,
Sophie Boudin,
K.R. Poeppelmeier,
M. Azuma,
Hiroshi Toganoh,
M. Takano.
High Pressure Transformation of La4Cu3MoO12 to a Layered Perovskite,
J. Am. Chem. Soc.,
Vol. 120,
No. 44,
pp. 11518-11519,
1998.
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M. Azuma,
Y. Fujishiro,
M. Takano,
M. Nohara,
ひでのり たかぎ,
S. Ohsugi,
Y. Kitaoka,
R.S. Eccleston.
Impurity Effects on a Two-Leg Spin Ladder Compound SrCu2O3,
J. Mag. Mag. Mat.,,
Vol. 177-181,
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655-656,
1998.
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N. Fujiwara,
H. Yasuoka,
Y. Fujishiro,
M. Azuma,
M. Takano.
Nuclear Magnetic Resonance in the Ladder System Sr(ZnxCu1-x)2O3,
J. Mag. Mag. Mat.,
Vol. 177-181,
PartⅠ,
pp. 655-656,
1998.
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N. Fujiwara,
Hiroshi Yasuoka,
Y. Fujishiro,
M. Azuma,
M. Takano.
NMR Study of Zn Doping Effect in Spin Ladder System SrCu2O3,
Phys. Rev. Lett.,
Vol. 80,
No. 3,
pp. 604-607,
1998.
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M. Azuma,
M. Takano,
R.S. Eccleston.
Disappearance of the Spin Gap in a Zn-Doped 2-Leg Ladder Compound Sr(Cu1-xZnx)2O3,
J. Phys. Soc. Jpn.,
Vol. 67,
No. 3,
Page 740-743,
1998.
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M. Azuma,
Kaimori Shingo,
M. Takano.
High-Pressure Synthesis and Magnetic Properties of Layered Double Perovskites Ln2CuMO6 (Ln=La, Pr, Nd, and Sm; M=Sn and Zr),
Chem. Mater.,
Vol. 10,
No. 10,
Page 3124-3130,
1998.
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H. Schwenk,
D. König,
S. Schmidt,
M. Sieling,
W. Palme,
B. Lüthi,
S. Zvyagin,
R.S. Eccleston,
M. Azuma,
M. Takano.
Magnetic Resonances in Spin Ladder Systems (VO)2P2O7, SrCu2O3 and Sr2Cu3O5,
Physica B,
Vol. 237-238,
pp. 115-116,
1997.
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M. Takano,
M. Azuma,
Y. Fujishiro,
M. Nohara,
H. Takagi,
Naoki Fujiwara,
H. Yasuoka,
Shigeki Osugi,
Y. Kitaoka,
R.S. Eccleston.
Impurity Effects on a 2-Leg Spin Ladder Compound SrCu2O3,
Physica C,
Vol. 282-287,
PartⅠ,
pp. 149-152,
1997.
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Kaimori Shingo,
Syuji Kawasaki,
Masaki Azuma,
Mikio Takano.
Ln2CuSnO6 (Ln=La, Pr, Nd, Sm)の高圧合成,
粉体および粉末冶金,
Vol. 44,
No. 2,
pp. 127-131,
1997.
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M. Azuma,
Y. Fujishiro,
M. Takano,
Minoru Nohara,
ひでのり たかぎ.
Switching of the Gapped Single Spin-Liquid State to an Antiferromagnetically Ordered State in Sr(Cu1-xZnx)2O3,
Phys. Rev. B,,
Vol. 55,
No. 14,
pp. R8658-R8661,
1997.
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Hiroshi Kageyama,
Kazuyoshi Yoshimura,
K Kosuge,
M. Azuma,
M. Takano,
H Mitamura,
Tomohiro Goto.
Magnetic Anisotropy of Ca3Co2O6 with Ferromagnetic Ising Chains,
J. Phys. Soc. Jpn.,,
Vol. 66,
No. 12,
pp. 3996-4000,
1997.
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R.S. Eccleston,
M. Azuma,
M. Takano.
Neutron-Scattering and Susceptibility Study of Spin Chains and Spin Ladders in (Sr0.8Ca0.2)14Cu24O4,
Phys. Rev. B,
Vol. 53,
No. 22,
Page R14721-R14724,
1996.
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K. Ishida,
Y Tokunaga,
Y. Kitaoka,
K. Asayama,
M. Azuma,
Z. Hiroi,
M. Takano.
Antiferromagnetic Nuclear Resonance of Cu in Infinite-Layer Compounds, SrCuO2 and Ca0.9Sr0.1CuO2 -Comparison between Hyperfine Coupling Constant in a CuO2 Plane and in a Spin-Ladder System-,
J. Phys. Soc. Jpn.,
Vol. 65,
No. 1,
Page 329-330,
1996.
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Yoshio Oka,
Takeru Yao,
Naokazu Yamamoto,
Yutaka Ueda,
Syuji Kawasaki,
M. Azuma,
M. Takano.
Hydrothermal Synthesis, Crystal Structure, and Magnetic Properties of FeVO4-II,
J. Solid State Chem.,
Vol. 123,
No. 1,
pp. 54-59,
1996.
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K. Ishida,
Y. Kitaoka,
Y. Tokunaga,
S Matsumoto,
K. Asayama,
M. Azuma,
Z. Hiroi,
M. Takano.
Spin Correlation and Spin Gap in Quasi-One-Dimensional Spin-1/2 Cuprate Oxides: A 63Cu NMR Study,
Phys. Rev. B,
Vol. 53,
No. 5,
Page 2827-2834,
1996.
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Kenji Kojima,
Keren A.,
Luke G.M.,
Nachumi B.,
Wu W.D.,
Uemura Y.J,
M. Azuma,
M. Takano.
Magnetic Behavior of the 2-Leg and 3-Leg Spin Ladder Cuprates Srn-1Cun+1O2n,
Phys. Rev. Lett.,
Vol. 74,
No. 14,
pp. 2812-2815,
1995.
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M. Azuma,
Z. Hiroi,
M. Takano,
K. Ishida,
Y. Kitaoka.
Observation of a Spin Gap in SrCu2O3 Comprising Spin-1/2 Quasi-1D Two-Leg Ladders,
Physical Review Letters,
Vol. 73,
No. 25,
pp. 3463-3466,
Nov. 1994.
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Masaki Azuma,
zenji hiroi,
Mikio Takano,
Yoshio Kitaoka,
Kenji Ishida.
擬一次元Srn-1Cun+1O2n (n=3, 5) の高圧合成とスピンギャップ,
粉体および粉末冶金,
Vol. 41,
No. 12,
pp. 1464-1468,
1994.
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Hiroki Takahashi,
N Mori,
M. Azuma,
Z. Hiroi,
M. Takano.
Effect of Pressure on Tc of Hole- and Electron-Doped Infinite-Layer Compounds up to 8 GPa,
Physica C,
Vol. 227,
No. 3&4,
Page 395-398,
1994.
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Kenji Ishida,
Yoshio Kitaoka,
K Asayama,
M. Azuma,
Z. Hiroi,
M. Takano.
Spin Gap Behavior in Ladder-Type of Quasi-One-Dimensional Spin (S=1/2) System SrCu2O3,
J. Phys. Soc. Jpn.,
Vol. 63,
No. 9,
Page 3222-3225,
1994.
-
Z. Hiroi,
Kazunari Yamaura,
M. Azuma,
M. Takano.
High-Resolution Electron Microscopy Study of the Alkaline-Earth Cupric Oxides and Oxide Carbonates,
Physica C,,
Vol. 235-240,
Part II,
Page 1005-1006,
1994.
-
M. Takano,
Z. Hiroi,
M. Azuma.
Superconductivity in the Alkaline Earth-Copper-Oxygen System with Tc=110K,
Applied Superconductivity,
Vol. 1,
3-6,
479-485,
May 1993.
-
Zenji Hiroi,
Masaki Azuma,
Mikio Takano,
Yasuo Takeda.
Structure and Superconductivity of the Infinite-Layer Compound (Ca1-ySry)1-xCuO2-z,
Physica C,
Vol. 208,
No. 3&4,
Page 286-296,
1993.
-
Masaki Azuma,
Nariaki Ikeda,
zenji hiroi,
Mikio Takano,
yoshichika bando,
Osamu Ootaka,
Takamitsu Yamanaka,
Yasuo Takeda.
無限層構造をとる超伝導体の高圧合成,
粉体および粉末冶金,
Vol. 40,
No. 2,
179-182,
1993.
-
Nariaki Ikeda,
Zenji Hiroi,
Masaki Azuma,
Mikio Takano,
Yoshichika Bando,
Yasuo Takeda.
Synthesis and Superconducting Properties of the Infinite-Layer Compounds Sr1-xLnxCuO2 (Ln=La, Nd, Sm, Gd),
Physica C,
Vol. 210,
No. 3&4,
Page 367-372,
1993.
-
Zenji Hiroi,
Mikio Takano,
Masaki Azuma,
Yasuo Takeda.
A New Family of Copper Oxide Superconductors Srn+1CunO2n+1+ Stabilized at High Pressure,
Nature,
Vol. 364,
No. 6435,
Page 315-317,
1993.
-
Masaki Azuma.
Oxygen Dope in Bismuth and Lead Substituted Lanthanum Copper Oxides by Electrochemical and Oxygen-Hip Methods,
Mat. Res. Bull.,
28,
8,
775-783,
1993.
-
Yasuo Takeda,
Hideya Tomita,
Yasuo Mukai,
Masayuki Imanishi,
Osamu Yamamoto,
Masaki Azuma,
Mikio Takano.
La2CuO4及びLa2-xAxCuO4(A=Bi, Pb)の電極酸化による酸素ドープ,
粉体および粉末冶金,
Vol. 40,
No. 2,
pp. 146-150,
1993.
-
H. Ohta,
Nobuyasu Yamauchi,
Mitsuhiro Motokawa,
Masaki Azuma,
Mikio Takano.
Submillimeter Wave ESR of SrCuO2 and Sr2CuO3,
J. Phys. Soc. Jpn.,
Vol. 61,
No. 9,
Page 3370-3376,
1992.
-
zenji hiroi,
Masaki Azuma,
Mikio Takano,
yoshichika bando,
Yasuo Takeda.
無限層超伝導体A1-xCuO2-zの構造,
粉体および粉末冶金,
Vol. 39,
No. 9,
pp. 718-721,
1992.
-
Masaki Azuma,
zenji hiroi,
Mikio Takano,
yoshichika bando,
Yasuo Takeda,
Osamu Yamamoto,
Osamu Ootaka,
Syouichi Kume,
Takamitsu Yamanaka.
アルカリ土類−銅酸化物超伝導体の高圧合成,
粉体および粉末冶金,
Vol. 39,
No. 5,
pp. 337-340,
1992.
-
Masaki Azuma,
Zenji Hiroi,
Mikio Takano,
Yoshichika Bando,
Yasuo Takeda.
Superconductivity at 110K in the Infinite-Layer Compound (Sr1-xCax)1-yCuO2,
Nature,
Vol. 356,
No. 6372,
Page 775-776,
1992.
-
Mikio Takano,
Masaki Azuma,
Zenji Hiroi,
Yoshichika Bando,
Yasuo Takeda.
Superconductivity in the Ba-Sr-Cu-O System,
Physica C,
Vol. 176,
No. 4-6,
Page 441-444,
1991.
-
Zenji Hiroi,
Masaki Azuma,
Mikio Takano,
Yoshichika Bando.
A New Homologous Series Srn-1Cun+1O2n Found in the SrO-CuO System Treated under High Pressure,
J. Solid State Chem.,
95,
1,
page 230-238,
1991.
-
Zenji Hiroi,
Mikio Takano,
Masaki Azuma,
Yasuo Takeda,
Yoshichika Bando.
A New Superconducting Cupric Oxide Found in the Sr-Cu-O System,
Physica C,
Vol. 185-189,
Part I,
Page 523-524,
1991.
Book
-
Masaki Azuma,
Ikuya Yamada,
Kazunari Yamaura,
Alexei A Belik,
Takafumi Yamamoto,
Masayuki Fukuda.
High pressure studies of transition metal oxides,
Comprehensive Inorganic Chemistry III,
ELSEVIER,
2022.
-
Masaki Azuma.
熱膨張制御材料の開発と応用 第一章「無機材料の熱膨張と負熱膨張材料」,
熱膨張制御材料の開発と応用,
Jan. 2018.
-
Masaki Azuma,
Osamu Ohtaka,
Nobuhiro Kumada.
High-Pressure Synthesis of Solids,
Encyclopedia of Inorganic and Bioinorganic Chemistry,
John Wiley & Sons, Ltd,
Sept. 2014.
-
Masaki Azuma.
電子強相関系酸化物と構造物性,
日本の結晶学(Ⅱ) その輝かしい発展,
日本結晶学会,
第1部,
第2章,
pp. 104-105,
July 2014.
-
Masaki Azuma.
化学便覧 応用科学編 14.6.1熱機能セラミックス(熱膨張抑制セラミックス),
化学便覧 応用科学編,
日本化学会,
Vol. 2,
No. 14.6.1,
pp. 836-838,
Jan. 2014.
-
Masaki Azuma.
9.9 固液平衡と共融混合物,
化学便覧基礎編,
丸善,
Vol. Ⅱ,
pp. 194-198,
2004.
-
S. Okubo,
K. Hazuki,
T. Sakurai,
H. Ohta,
H. Yoshida,
M. Azuma,
M. Takano.
Millimeter and Submillimeter wave ESR Measurement of Spin Ladder System Sr(Cu1-xZnx)2O3,
EPR in the 21st Century,
Elsevier Science B.V,
pp. 747-750,
2002.
-
M. Takano,
Z. Hiroi,
M. Azuma,
S. Kawasaki,
Ryoji KANNO,
T. Takeda.
Novel Transition Metal Oxides Prepared at High Pressure and Their Electronic Properties,
Physics and Chemistry of Transiton-Metal Oxides, Solid-State Sciences,
Springer-Verlag,
Vol. 125,
pp. 279-288,
1999.
-
M. Takano,
Z. Hiroi,
M. Azuma,
Y. Takeda.
Application of High Pressure and High Oxygen Pressure to Cu-Oxides,
Chemistry of High Temperature Superconductors,
pp. 243-266,
1991.
International Conference (Reviewed)
-
Masaki Azuma,
Kei Shigematsu,
Hajime Hojo,
Keisuke Shimizu,
Takuma Itoh.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
The 14th APCTP Workshop on Multiferroics,
2024.
-
Masaki Azuma.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
Materials Science,Engineering and Technology,
2024.
-
Masaki Azuma.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
Materials Science,Engineering and Technology,
2024.
-
Takumi Nishikubo,
Takashi Imai,
Yuki Sakai,
Masaichiro Mizumaki,
Shogo Kawaguchi,
Norihiro Oshime,
Ayumu Shimada,
Kento Sugawara,
Kenji Ohwada,
Akihiko Machida,
Tetsu Watanuki,
Kosuke Kurushima,
Shigeo Mori,
Takashi Mizokawa,
Masaki Azuma.
Domain structure observation and design of phase transition-type negative thermal expansion materials,
The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4),
2024.
-
Hena Das,
Masaki Azuma.
Understanding the mechanisms responsible for the anisotropic thermal expansion in Ca2RuO4 ruthenates through quantum mechanical calculations,
The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4),
2024.
-
Masaki Azuma,
Kei Shigematsu,
Hajime Hojo,
Keisuke Shimizu,
Takuma Itoh,
Ko Mibu.
Magnetization reversal by electric field in Co substituted BiFeO3,
Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23),
2024.
-
Takumi Nishikubo,
Yuki Sakai,
Kengo Oka,
Masaichiro Mizumaki,
Tetsu Watanuki,
Takashi Mizokawa,
Masaki Azuma.
Systematic charge distribution changes in Bi、Pb-3d transition metal perovskite oxides,
Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23),
2024.
-
Yuki Sakai,
Masaki Azuma.
A-site and B-site charge ordering in perovskite-type PbCoO3,
Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23),
2024.
-
Yuki Sakai,
Shiori Kihara,
Shogo Wakazaki,
Takumi Nishikubo,
Masayuki Fukuda,
Hena Das,
Masaichiro Mizumaki,
Ko Mibu,
Akihiko Machida,
Tetsu Watanuki,
Masaki Azuma.
Systematic charge distribution change in perovskite-type Bi0.5Pb0.5MO3 (M = 3d transition metal),
The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4),
2024.
-
Takumi Nishikubo,
Yuki Sakai,
Masaichiro Mizumaki,
Shogo Kawaguchi,
Norihiko Oshime,
Kento Sugawara,
Ayumi Shimada,
Kenji Ohwada,
Akihiko Machida,
Tetsu Watanuki,
Kosuke Kurushima,
Shigeo Mori,
Takashi Miokawa,
Masaki Azuma.
Transition-type PbVO3 Based Negative Thermal Expansion Materials,
International Conference on Powder and Powder Metallurgy(JSPMIC2023),
2024.
-
Masaki Azuma,
Kei Shigematsu,
Hajime Hojo,
Keisuke Shimizu,
Takuma Itoh.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
The 14th APCTP Workshop on Multiferroics,
2024.
-
Masaki Azuma.
UNUSUAL CHARGE DISTRIBUTION AND PHYSICAL PROPERTIES INDUCED BY BI,PB 6S ELECTRONS,
SIPS2023 Sustainability through Science &Technology,
2023.
-
Masaki Azuma,
Kei Shigematsu,
Hajime Hojo,
Keisuke Shimizu,
Ko Mibu.
Magnetization Reversal by Electric Field in Co Substituted BiFeO3,
PACRIM15・CICC-13,
2023.
-
Masaki Azuma.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
The 14th APCTP Workshop on Multiferroics,
2023.
-
Masaki Azuma.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
Materials Science,Engineering and Technology2023,
2023.
-
Masaki Azuma.
Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film,
Materials Science,Engineering and Technology2023,
2023.
-
Masaki Azuma.
Giant negative thermal expansion materials,
THERMEC2023,
2023.
-
Masaki Azuma.
Giant Negative Thermal Expansion Materials,
International Workshop on Physics and Chemistry of Electronic Materials,
2022.
-
Koomok Lee,
Kei Shigematsu,
Das Hena,
Masaki Azuma.
Exploring the Correlation Between the Spin-State Configuration and the Magnetic Order in Co-Substituted BiFeO3,
2022 MRS FALL MEETING,
2022.
-
Takuma Itoh,
Marin Katsumata,
Kei Shigematsu,
Masaki Azuma.
Magnetization Reversal in BiFe0.9Co0.1O3 Thin Films 2 -Control of Ferroelectric and Ferromagnetic Domains by Trailing Fields-,
2022 MRS FALL MEETING,
2022.
-
Kei Shigematsu,
Keisuke Shimizu,
Ryo Kawabe,
Hajime Hojo,
Haruki Shimizu,
Marin Katsumata,
Hajime Yamamoto,
Ko Mibu,
Masaki Azuma.
Magnetization Reversal in BiFe0.9Co0.1O3 Thin films 1 -Spin Structure and Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film,
2022 MRS FALL MEETING,
2022.
-
Takumi Nishikubo,
Takashi Imai,
Yuki Sakai,
Masaichiro Mizumaki,
Shogo Kawaguchi,
Norihiro Oshime,
Ayumu Shimada,
Kento Sugawara,
Kenji Ohwada,
Akihiko Machida,
Tetsu Watanuki,
Kosuke Kurushima,
Shigeo Mori,
Takashi Mizokawa,
Masaki Azuma.
Domain Structure Observation and Design of Phase Transition-type Negative Thermal Expansion Materials,
15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15),
2022.
-
Kei Shigematsu,
Takuma Itoh,
Marin Katsumata,
Masaki Azuma.
Magnetization reversal by electric field in Co-substituted BiFeO3 under a control of domains by trailing fields,
15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15),
2022.
-
Masaki Azuma,
Kei Shigematsu,
Keisuke Shimizu,
Takuma Ito,
Marin Katsumata,
Keita Ozawa,
Hajime Hojo,
Ko Mibu.
MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM,
International Materials Research Congress 2022,
2022.
-
Masaki Azuma.
Giant Negative Thermal Expansion Materials,
New Energy Chemistry and Device Seminar 2022,
2022.
-
Masaki Azuma.
Magnetization Reversal by Electric Field at Room Temperature in Co Substituted Bismuth Ferrite Thin Film,
CIMTEC,
2022.
-
Masaki Azuma.
Magnetization Reversal by Electric Field at Room Temperature in Co Substituted Bismuth Ferrite Thin Film,
CIMTEC,
2022.
-
Takuya Ohmi,
Tomoaki Miura,
Tadaaki Ikoma,
Masaki Azuma,
Takafumi Yamamoto.
Structural and Photophysical Properties of Organic–Inorganic Hybrid Perovskite Containing Thiocyanate Anion,
The 5th International Union of Materials Research Societies International Conference of Young Researchers on Advanced Materials,
2022.
-
Masaki Azuma,
Kei Shigematsu,
Keisuke Shimizu,
Takuma Ito,
Marin Katsumata,
Keita Ozawa,
Hajime Hojo,
Ko Mibu.
MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM,
International Materials Research Congress 2022,
2021.
-
Masaki Azuma.
Giant Negative Thermal Expansion Materials Derived from Pressure Induced Phase Transitions,
ACHPR,
2021.
-
Koomok Lee,
Keita Ozawa,
Hena Das,
Masaki Azuma.
Theoretical investigations of the origin of canted ferromagnetism in Co doped BiFeO3 multife,
STAC12,
2021.
-
Kei Shigematsu,
Keita Ozawa,
Marin Katsumata,
Masaki Azuma.
Observation of ferroelectric and ferromagnetic domains of BiFe0.9Co0.1O3 nanodot array by using anodic porous alumina mask,
MATERIALS RESEARCH MEETING(MRM)2021,
2021.
-
Liu Qiu Min,
Shogo Wakazaki,
Takumi Nishikubo,
Kei Shigematsu,
Takafumi Yamamoto,
Naoki Matsui,
Kota Suzuki,
Ryoji Kanno,
Randy Jalem,
Yoshitaka Tateyama,
Masaki Azuma.
Structure change and Li-ion conductivity of layered anti-perovskite Li4OBr2-xIx,
STAC12,
2021.
-
Shiori Kihara,
Shogo Wakazaki,
Yuki Sakai,
Takumi Nishikubo,
Masaki Azuma.
Charge distribution change in perovskite Bi0.5Pb0.5MO3 (M=3d transition metal),
STAC12,
2021.
-
Jinya Suzuki,
Takafumi Yamamoto,
Masaki Azuma,
Takumi Nishikubo.
Single crystal growth of perovskite oxyhydride under high pressure,
STAC12,
2021.
-
Lei Hu,
Koshi Takenaka,
Masaki Azuma.
Origin and Absence of Giant Negative Thermal Expansion in Ca2RuO4,
STAC12,
2021.
-
Masaki Azuma.
Magnetization Reversal by Electric Field at Room Temperature in Co Substituted BiFeO3 Thin Film,
The 6th International Symposium on Advanced Ceramics,
Mar. 2018.
-
Masaki Azuma.
Negative Thermal Expansions induced by Phase Transitions,
ISNTE-II,
Dec. 2017.
-
Masaki Azuma.
Room Temperature Ferromagnetism in Co Substituted BiFeO3 Induced by Spin Structure Change,
The 6th Toyota RIKEN International Workshop 2017,
Nov. 2017.
-
東 正樹.
Magnetization Reversal by Electric Field at Room Temperature in Co Substituted BiFeO3 Thin Film,
The 9th APCTP Workshop on Multiferroics,
Nov. 2017.
-
Masaki Azuma.
Systematic Charge Distribution Change in Bi, Pb - 3d Transition Metal Perovskites,
IRMRS-ICAM,
Aug. 2017.
-
M. Azuma,
H. Hojo,
R. Kawabe,
K. Shimizu,
H. Yamamoto,
K. Mibu,
K. Samanta,
T. Saha-Dasgupta.
Room temperature ferromagnetism in Co substituted BiFeO3 induced by spin structure change,
Indo-US Bilateral Workshop on Physics and Chemistry of Oxides: Theory meets Experiment,
Jan. 2017.
-
Masaki Azuma.
Systematic Charge Distribution Change in Bi, Pb-3d Transition Metal Perovskites,
Indo-Japan Conference on Emergent phenomena in transition-metal compounds and related materials,
Mar. 2016.
-
Masaki Azuma.
Systematic Charge Distribution Change in BiMO3 and PbMO3 (M: 3d transition metal),
Pacifichem 2015,
Dec. 2015.
-
Masaki Azuma.
Systematic Charge Distribution Change in Bi, Pb - 3d Transition Metal Perovskites,
International Symposium on Negative Thermal Expansion and Related Materials,
Oct. 2015.
-
Takekazu Ishida,
Takeshi Mikayama,
Kiichi Okuda,
M. Azuma,
Z. Hiroi,
M. Takano.
Complex Susceptibility of Infinite-Layer Superconductor (Sr0.7Ca0.3)0.95CuO2-x,
the 7th International Symposium on Superconductivity (ISS'94),
Advances in Superconductivity VII,
pp. 523-526,
1995.
-
Z. Hiroi,
M. Azuma,
Y. Takeda,
M. Takano.
Curpic Oxide Superconductors in the Sr-Cu-O System,
the 6th International Symposium on Superconductivity (ISS'93),
Advances in Superconductivity VI,
Vol. 1,
pp. 285-290,
1994.
-
Z. Hiroi,
M. Azuma,
M. Takano,
Y. Takeda.
Mechanism of Carrier Doping in the Superconducting Infinite-Layer Compound A1-xCuO2-z (A=Ca1-ySry),
Proceedings of the 5th International Symposium on Superconductivity (ISS'92),
Advances in Superconductivity V,
pp. 211-214,
1993.
-
M. Takano,
Z. Hiroi,
M. Azuma.
Superconductivity in the Infinite-Layer Phase Stabilized Under High Pressure,
the International Winter School,
Electronic Properties of High-Tc Superconductors Springer Series in Solid-State Sciences,
Vol. 113,
pp. 13-18,
1993.
Domestic Conference (Reviewed)
-
Koomok Lee,
Hena Das,
Yuki Sakai,
Takumi Nishikubo,
Kei Shigematsu,
Daiki Ono,
Takehiro Koike,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azuma.
Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3,
The 22nd Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT22),
2024.
-
Hena Das,
Masaki Azuma.
Anisotropic thermal expansion phenomena in Ca2RuO4 type systems,
日本セラミックス協会2024年年会,
2024.
-
Yuki Sakai,
Sergey A. Nikolaev,
Takumi Nishikubo,
中島宏,
森茂生,
町田晃彦,
綿貫徹,
沖本洋一,
松田雅昌,
Masaki Azuma.
ペロブスカイト型酸化物PbCoO3の温度誘起相転移,
日本セラミックス協会2024年年会,
2024.
-
HENA DAS,
Masaki Azuma.
Mechanism of anisotropic thermal expansion phenomena in Ca2RuO4,
第62回セラミックス基礎科学討論会,
2024.
-
Takehiro Koike,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価,
第62回セラミックス基礎科学討論会,
2024.
-
Koomok Lee,
Kei Shigematsu,
Hena Das,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azum.
Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3,
Materials Research Society of Japan 2023/ the International Union of Materials Research Societies 2023 (MRM2023/IUMRS-ICA2023),
2024.
-
Takehiro Koike,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価,
第62回セラミックス基礎科学討論会,
2024.
-
Yuki Sakai,
Sergey A. Nikolaev,
Takumi Nishikubo,
中島宏,
森茂生,
町田晃彦,
綿貫徹,
沖本洋一,
松田雅昌,
Masaki Azuma.
ペロブスカイト型酸化物PbCoO3の温度誘起相転移,
第64回高圧討論会,
2024.
-
Yuki Sakai,
松野 夏奈,
Takumi Nishikubo,
Masaki Azuma.
ペロブスカイト型酸化物 PbCr1-xTixO3 の負熱膨張,
粉体粉末冶金協会2023年度秋季大会,
2023.
-
Masahito Ikeda,
劉 丘民,
Masaki Azuma,
Jalem Randy,
館山 佳尚,
桑田 直明.
Li3BO3-Li3PO4-Li2SO4 3 元系 LISICON 型固体電解質の合成と特性評価,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Kei Shigematsu,
勝俣 真綸,
伊藤 拓真,
小澤 慶太,
清水 陽樹,
清水 啓佑,
Masaki Azuma.
Bi(Fe, Co)O3の面内電場印加によって生じる磁気ドメイン変化の観察,
第33回日本MRS学会,
2023.
-
Takumi Nishikubo,
今井孝,
Yuki Sakai,
水牧仁一朗,
河口彰吾,
押目典宏,
島田歩,
菅原健人,
大和田謙二,
町田晃彦,
綿貫徹,
久留島康輔,
森茂生,
溝川貴司,
Masaki Azuma.
PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察,
日本物理学会第78回年次大会,
2023.
-
LEE KOOMOK,
Kei Shigematsu,
Hena Das,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azuma.
Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3 ,
MRM2023/IUMRS-ICA2023,
2023.
-
Yusuke Shibata,
S. Yoshida,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
高エントロピー効果によるBサイト置換BiNiO3の負熱膨張の拡大,
第33回日本MRS年次大会,
2023.
-
Masaki Azuma.
ビスマス、鉛-3d遷移金属ペロブスカイト酸化物の系統的な電荷分布変化,
第33回日本MRS年次大会,
2023.
-
劉 丘民,
西久保 匠,
Yuki Sakai,
Hena Das,
壬生 攻,
尾上 智子,
川上 隆輝,
町田 晃彦,
綿貫 徹,
Masaki Azuma.
PbFeO3の圧力誘起相転移,
第64回高圧討論会,
2023.
-
Daiki Ono,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma.
マルチフェロイック物質 BiFeO3 の 4d,5d 元素置換による弱強磁性化,
粉体粉末冶金協会2023年度秋季大会,
2023.
-
Jun Miyake,
Takehiro Koike,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
非晶質前駆体を用いたK2NiF4型負熱膨張材料の合成および探索,
粉体粉末冶金協会2023年度秋季大会,
2023.
-
Koomok Lee,
Kei Shigematsu,
Hena Das,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azuma.
Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3,
The 14th APCTP Workshop on Multiferroics,
2023.
-
Qiumin Liu,
Hena Das,
Takumi Nishikubo,
Yuki Sakai,
Ko Mibu,
Tomoko Onoue,
Takateru Kawakami,
Tetsu Watanuki,
Akihiko Machida,
Masaki Azuma.
Phase transition of PbFeO3 under high pressure,
JSPM International Conference on Powder and powder Metallirgy(JSPMIC2023),
2023.
-
Teppei Nagase,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto.
カチオン秩序型ペロブスカイト酸化物 SrV0.3Fe0.7O3の合成と物性評価,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Taiki Kosuge,
河口 彰吾,
小林 慎太郎,
横山 優一,
水牧 仁一朗,
細川 三郎,
Masaki Azuma,
Takafumi Yamamoto.
時分割 XRD 測定とベイズ推定を用いた SrCrO3–δ における先端反応解析,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Kazuki Takahashi,
Yuki Sakai,
Takumi Nishikubo,
Masaki Azuma.
PbTiO3型巨大正方晶歪みを持つ BiCoO3の負熱膨張物質化,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Takumi Nishikubo,
今井 孝,
Yuki Sakai,
水牧 仁一朗,
河口 彰吾,
押目 典宏,
島田 歩,
菅原 健人,
大和田 謙二,
町田 晃彦,
綿貫 徹,
久留島 康輔,
Shigeo Mori,
溝川 貴司,
Masaki Azuma.
PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Haruki Tochizawa,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto.
圧力を利用した酸水素化物におけるアニオン配列の制御,
日本セラミックス協会第35回秋季シンポジウム,
2023.
-
劉丘民,
Takumi Nishikubo,
Yuki Sakai,
Hena Das,
壬生攻,
尾上智子,
川上隆輝,
Akihiko Machida,
綿貫徹,
Masaki Azuma.
PbFeO3の圧力誘起相転移,
粉体粉末冶金協会2023年度春季,
2023.
-
Shunnosuke Yoshida,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
BiNiO3系負熱膨張材料の動作温度範囲の制御,
粉体粉末冶金協会2023年度春季,
2023.
-
Kazuki Takahashi,
Yuki Sakai,
Takumi Nishikubo,
Masaki Azuma.
PbTiO3型巨大c/a相BiCoO3の負熱膨張化の試み,
粉体粉末冶金協会2023年度春季,
2023.
-
Kei Shigematsu,
長瀬泰仁,
伊藤拓真,
Masaki Azuma.
陽極酸化アルミナマスクの孔径変化によるCo置換BiFeO3の強誘電・強磁性ドメイン変化,
第40回強誘電体会議,
2023.
-
Daiki Ono,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma.
マルチフェロイック物質BiFeO3の4d、5d元素置換による弱強磁性化,
日本セラミックス協会2023年年会,
2023.
-
劉 丘民,
Takumi Nishikubo,
Yuki Sakai,
Hena Das,
Kou Mibu,
尾上 智子,
川上 隆照,
Akihiko Machida,
Toru Watanuki,
Masaki Azuma.
PbFeO3の圧力誘起相転移,
日本セラミックス協会2023年年会,
2023.
-
Masaki Azuma.
巨大負熱膨張材料の高圧合成,
第9回愛媛大学先進超高圧科学研究拠点(PRIUS)シンポジウム,
2023.
-
Yuki Sakai,
木原 汐里,
若崎 翔吾,
Takumi Nishikubo,
福田 真幸,
水牧 仁一郎,
Masaki Azuma.
ペロブスカイト型酸化物Bi0.5Pb0.5MO3(M = 3d遷移金属)の系統的な電荷分布変化,
第63回高圧討論会,
2023.
-
Yuki Sakai,
木原汐里,
若崎翔吾,
西久保匠,
Masayuki Fukuda,
水牧仁一郎,
Masaki Azuma.
ペロブスカイト型酸化物 Bi0.5Pb0.5MO3(M=3d 遷移金属)の電荷分布変化,
日本物理学会,
2022.
-
Takuma Itoh,
Kei Shigematsu,
Masaki Azuma.
強誘電性・強磁性を併せ持つBiFe0.9Co0.1O3薄膜のWater printing による面外分極反転とドメイン制御,
2022.
-
Takuya Ohmi,
Masaki Azuma,
Takafumi Yamamoto.
(FA)PbI3 に対するチオシアン酸アニオンの置換効果,
日本セラミックス協会 第 35 回秋季シンポジウム,
2022.
-
Riyujiyu Ito,
Takuya Ohmi,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto.
Co2+を利用したチオシアン酸アニオンを含む新規有機-無機ハイブリッド化合物 の構造と磁性,
日本セラミックス協会 第 35 回秋季シンポジウム,
2022.
-
Takumi Nishikubo,
若崎 翔吾,
山本 樹,
Yuki Sakai,
Hena Das,
Akihiko Machida,
Toru Watanuki,
Masaki Azuma.
Design and Domain Structure Observation of Phase Transition-type Negative Thermal Expansion Materials,
第32回日本MRS年次大会,
2022.
-
Jei Okajima,
Masaki Azuma,
Kei Shigematsu.
マルチフェロイックBiFe0.9Co0.1O3薄膜のデバイス化に向けたフォトリソグラフィによるナノドット作製,
粉体粉末冶金協会2022年度秋季大会,
2022.
-
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
複数メカニズムの共存による負熱膨張特性の強化,
粉体粉末冶金協会2022年度秋季大会,
2022.
-
Takuma Itoh,
Kei Shigematsu,
Masaki Azuma.
(110)配向マルチフェロイックBiFe0.9Co0.1O3薄膜の面内 電場印加による強誘電性・強磁性ドメイン構造変化,
第83回応用物理学会秋季学術講演会,
2022.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
Co 置換BiFeO3上へのInSb 磁気センサ薄膜の製作,
第83回応用物理学会秋季学術講演会,
2022.
-
Yuki Sakai,
Takumi Nishikubo,
Hena Das,
Masaki Azuma,
水牧 仁一郎,
Takashi Mizokawa,
Akihiko Machida,
Toru Watanuki,
Yoichi Okimoto.
放射光を用いたペロブスカイト型酸化物Bi1-xPbxNiO3の負熱膨張メカニズムの解明,
日本セラミックス協会第35回秋季シンポジウム,
2022.
-
Takumi Nishikubo,
若崎 翔吾,
山本 樹,
Yuki Sakai,
Hena Das,
Akihiko Machida,
Toru Watanuki,
Masaki Azuma.
ペロブスカイト PbMnO3の局所構造と電荷秩序状態の解明,
日本セラミックス協会第35回秋季シンポジウム,
2022.
-
Takehiro Koike,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張,
日本セラミックス協会第35回秋季シンポジウム,
2022.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
Co 置換BiFeO3上へのInSb磁気センサ薄膜の製作,
第39回強誘電体応用会議(FMA39),
2022.
-
Takehiro Koike,
Masaki Azuma,
Takumi Nishikubo,
Yuki Sakai.
PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張,
粉体粉末冶金春季大会,
2022.
-
Teppei Nagase,
西久保 匠,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto,
Kou Mibu,
南部 雄亮,
池田 陽一,
松田 雅昌.
(111)面に酸素欠損が秩序化したペロブスカイト型酸化物の合成・同定,
日本セラミックス協会 2022年年会,
2022.
-
Takuma Itoh,
Kei Shigematsu,
Masaki Azuma.
Water printingによる マルチフェロイックBiFe0.9Co0.1O3 薄膜 の面外分極反転と強誘電性・強磁性 ドメイン制御,
第69回応用物理学会春季学術講演会,
2022.
-
Jinya Suzuki,
西久保匠,
Yuki Sakai,
Pan Zhao,
齋藤寛之,
Masaki Azuma,
Takafumi Yamamoto.
フラックスを用いたバナジウム酸水素化物の高圧合成と反応経路のその場観察,
日本セラミックス協会 第60回基礎科学討論会,
2022.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
Co置換BiFeO3薄膜上へのInSb ホールセンサの製作,
日本セラミックス協会 第35回秋季シンポジウム,
2022.
-
Takuya Ohmi,
Tomoaki Miura,
Tadaaki Ikoma,
Masaki Azuma,
Takafumi Yamamo.
Structural Transition and Photophysical Properties of Mixed-Anion Layered Perovskite: (MA)2Pb(SCN)2I2-xBrx (0 ≤ x < 1.6),
STAC12,
2021.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
酸化物基板上へのInSbエピタキシャル薄膜の製作,
応用物理学会秋季学術講演会,
2021.
-
Shiori Kihara,
Yuki Sakai,
Masaki Azuma,
西久保 匠,
若崎 翔吾.
ペロブスカイトBi0.5Pb0.5MO3(M=3d遷移金属)の電荷分布変化,
日本セラミックス協会秋季シンポジウム,
2021.
-
Takuma Ito,
勝俣 真綸,
Kei Shigematsu,
Masaki Azuma.
強誘電性・強磁性が共存するBiFe0.9Co0.1O3薄膜のtrailing fieldを用いたドメイン制御,
強誘電体会議FMA38,
2021.
-
東 正樹,
清水啓佑,
勝俣真綸,
小澤慶太,
重松 圭,
北條 元,
壬生 攻.
Co置換BiFeO3薄膜における電場印加磁化反転,
ナノ討論会,
2021.
-
Kei Shigematsu,
Masaki Azuma.
Direct Observation of Magnetization Reversal by Polarization Switching inMultiferroic Cobalt-Substituted Bismuth Ferrite Thin Film,
8th International Congress on Ceramics(ICC8),
2021.
-
Koomok Lee,
Kei Shigematsu,
Masaki Azuma.
Fabric of Epitaxial INSb Thin Film on Various Perovskite Oxide Substrates,
応用物理学会秋季学術講演会,
2021.
-
西久保 匠,
Yuki Sakai,
水牧 仁一朗,
今井 孝,
Masaki Azuma.
巨大な体積変化を伴う負熱膨張物質の設計,
高圧討論会,
2021.
-
Masaki Azuma,
西久保 匠,
Yuki Sakai,
山本 孟,
岡 研吾.
Bi,Pb-3d 遷移金属ペロブスカイトの圧力誘起相転移と負熱膨張,
高圧討論会,
2021.
-
Takuya Ohmi,
三浦智明,
生駒忠昭,
Masaki Azuma,
Takafumi Yamamoto.
層状ハイブリッドペロブスカイト(MA)2PbI2−xBrx(SCN)2の構造相転移と温度安定,
粉体粉末冶金秋季大会,
2021.
-
Takuma Itoh,
勝俣 真綸,
Kei Shigematsu,
Masaki Azuma.
マルチフェロイックBiFe0.9Co0.1O3 薄膜におけるtrailing fieldを用いた強誘電 性 ・強磁性ストライプドメイン形成と制御,
粉体粉末冶金秋季大会,
2021.
-
Masaki Azuma,
岡 研吾,
山本 孟,
Yuki Sakai.
巨大負熱膨張材料の研究,
粉体粉末冶金秋季大会,
2021.
-
西久保 匠,
Yuki Sakai,
Lalitha K.V.,
Jürgen Rödel,
Masaki Azuma.
分極・歪みによるBiInO3-BiZn1/2Ti1/2O3の負熱膨張と強弾性の制御,
結晶学会,
2021.
-
西久保 匠,
今井 孝,
Yuki Sakai,
水牧 仁一朗,
大和田 謙二,
町田 晃彦,
綿貫 徹,
押目 典宏,
島田 歩,
菅原 健人,
久留島 康輔,
Shigeo Mori,
溝川 貴司,
Masaki Azuma.
PbVO3 の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察,
日本物理学会,
2021.
-
Masaki Azuma.
巨大負熱膨張材料を用いた熱膨張制御,
ニューセラミックス懇話会第245回研究会,
2021.
-
Takuya Ohmi,
Masaki Azuma,
Takafumi Yamamoto.
有機-無機ハイブリッド層状ペロブスカイト(MA)2PbI2−xBrx(SCN)2の合成と構造、光学特性,
第5回固体化学フォーラム研究会,
2021.
-
Yuki Sakai,
西久保匠,
若崎翔吾,
木原汐里,
Masaki Azuma.
ペロブスカイト型酸化物 Bi0.5Pb0.5MO3 の電荷分布,
第5回固体化学フォーラム研究会,
2021.
-
Yuki Sakai,
松 野 夏 奈,
西 久 保 匠,
森 茂 生,
中 島 宏,
久 留島 康 輔,
町 田 晃 彦,
綿 貫 徹,
Masaki Azuma.
PbCrO3 の立 方 晶 ― 立方 晶 転 移 に お け る 局 所構 造 の 変 化,
日本結晶学会令和3年度年会,
2021.
-
Shogo Wakazaki,
Takumi Nishikubo,
Kei Shigematsu,
Takafumi Yamamoto,
Masaki Azuma,
Naoki Matsui,
Kouta Suzuki,
Ryoji KANNO,
Jalem Randy,
館山佳尚.
層状逆ペロブスカイト型Li4O(Br,F)2の高圧合成とLiイオン伝導,
第46回固体イオニクス会,
Dec. 2020.
-
Masaki Azuma.
PbCrO3の電荷ガラスと関連化合物,
豊田理化学研究所・特定課題研究 「多元秩序制御による熱・体積機能の開拓」研究会,
Mar. 2018.
-
Masaki Azuma.
多元秩序制御による熱・体積機能の開拓,
金研ワークショップ「多自由度・多階層性が協奏する物質材料システムの科学」,
Dec. 2017.
-
Masaki Azuma.
温めると縮むセラミックスを高圧で作る~産業に貢献する負の熱膨張材料~,
CSJフェスタ,
Oct. 2017.
-
Masaki Azuma.
コバルト置換ビスマスフェライトの強磁場磁化過程測定の結果と、その知見を生かした室温強磁性強誘電体の開発、さらには薄膜試料を用いた電場印加磁化反転の実現について,
第4回西日本強磁場科学研究会,
Sept. 2017.
-
Masaki Azuma.
負熱膨張フィラー配合による樹脂の体積変化抑制,
高分子の膨張、収縮対策ーメカニズムから分子設計・フィラー配合による抑制法まで,
Aug. 2017.
-
Masaki Azuma.
ビスマス・鉛ペロブスカイトの多彩な電荷分布と機能,
先端研究本部コロキウム,
July 2017.
-
Masaki Azuma.
Bi・Pbを含むペロブスカイト酸化物の特異な物性とその起源,
SPring-8セミナー,
Mar. 2016.
-
Masaki Azuma.
機能性遷移金属酸化物の高圧下における単結晶育成,
第45回結晶成長国内会議,
Oct. 2015.
-
Masaki Azuma.
鉛ペロブスカイトの 系統的な電荷分布変化,
日本物理学会2015年秋季大会,
Sept. 2015.
-
Masaki Azuma.
圧力下中性子回折実験にもとづく巨大負熱膨張物質の開発 —ペロブスカイトBiNiO3—,
CROSSroads 「物質の構造と機能」,
Sept. 2015.
-
Narumi Matsuda,
YU RUNZE,
Hajime Hojo,
Masaki Azuma,
Kengo Oka.
適度な c/a 比を持つ単斜晶 ペロブスカイトBi2ZnTi1-xMnxO6,
強誘電体応用会議,
May 2015.
-
帯刀 信吾,
酒井 雄樹,
藤井 康裕,
是枝 聡肇,
Shintaro Yasui,
Masaki Azuma,
田辺 賢土,
寺崎 一郎,
Hiroki Taniguchi.
強誘電性シリケートBi2SiO5のLa置換効果,
日本物理学会第72回年次大会.
International Conference (Not reviewed / Unknown)
-
Takuma Itoh,
Marin Katsumata,
Kei Shigematsu,
Masaki Azuma.
Control of ferromagnetic and ferroelectric domains in BiFe0.9Co0.1O3 thin films by utilizing trailing fields,
IEEE ISAF2021,
2021.
-
Takuya Ohmi,
Tomoaki Miura,
Tadaaki Ikoma,
Masaki Azuma,
Takafumi Yamamoto.
Structural Transition and Photophysical Properties of Mixed–Anion Layered Perovskite (MA)2PbI2–xBrx(SCN)2,
International Conference on Mixed-Anion Compounds(ICMAC),
2021.
-
K. Shigematsu,
T. Asakura,
H. Yamamoto,
K. Shimizu,
M. Katsumata,
H. Shimizu,
Y. Sakai,
H. Hojo,
K. Mibu,
M. Azuma.
Room temperature ferromagnetism in BiFe1−xMnxO3 thin film induced by spin-structure manipulation,
iLIM-3,
Sept. 2018.
-
Hirokazu Kyokane,
Keisuke Shimizu,
Kei Shigematsu,
Hajime Hojo,
Masaki Azuma.
Fabrication of Strain-induced Tetragonal Sr1-xBaxVO3 Thin Film,
ISNTE-II,
Dec. 2017.
-
Keisuke Shimizu,
Ryo Kawabe,
Hajime Yamamoto,
Hajime Hojo,
Kei Shigematsu,
Masaki Azuma.
Direct observation of magnetization reversal by polarization switching in multiferroic Co-substituted BiFeO3 thin film,
The 9th APCTP Workshop on Multiferroics,
Nov. 2017.
-
Haruki Shimizu,
Keisuke Shimizu,
Hajime Yamamoto,
Hajime Hojo,
Kei Shigematsu,
Masaki Azuma.
Stable polarization reversal in third elements substituted multiferroic BiFe0.9Co0.1O3 thin films,
The 9th APCTP Workshop on Multiferroics,
Nov. 2017.
-
H. Kyokane,
K. Shimizu,
K. Shigematsu,
H. Hojo,
M. Azuma.
Fabrication of Tetragonal Sr1-xBaxVO3 Thin Film with d1 Configuration,
ICMaSS2017,
Sept. 2017.
Domestic Conference (Not reviewed / Unknown)
-
Riyujiyu Ito,
Takuya Ohmi,
Masaki Azuma,
Takafumi Yamamoto.
有機-無機ハイブリッド化合物の高圧合成と結晶構造変化,
第62回セラミックス基礎科学討論会,
2024.
-
Koomok Lee,
Hena Das,
Yuki Sakai,
Takumi Nishikubo,
Kei Shigematsu,
Daiki Ono,
Takehiro Koike,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azuma.
Material Design for Low Power Consumption Multiferroic Memory using High Spin Co3+ substituted BiFeO3,
第15回在日科協合同分科会,
2024.
-
Hajime Nakayama,
吉川 浩太,
Koomok Lee,
安井 学,
金子 智,
黒内 正仁,
Kei Shigematsu,
Masaki Azuma.
電子線描画HSQをマスクに用いたBiFe0.9Co0.1O3ナノドットの作製,
第71回応用物理学会春季学術講演会,
2024.
-
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
新規アニオン欠損秩序型ペロブスカイトBiNi1-xFexO2.8の構造と特異な電荷秩序,
日本セラミックス協会2024年年会,
2024.
-
Toshiki Ikumi,
Teppei Nagase,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto.
酸素欠損型ペロブスカイト SrV0.3Fe0.7O2.8 の薄膜作成と構造・物性評価,
第62回セラミックス基礎科学討論会,
2024.
-
Syunsuke Ueno,
Tadahiko Ishikawa,
Kou Takubo,
Yoichi Okimoto,
Shin-ya Koshihara,
Takuma Ito,
Daiki Ono,
Kei Shigematsu,
Masaki Azuma.
Photoinduced dynamics of BiFeO3 thin film on SrTiO3 substrate probed by optical pump-probe measurement,
第33回日本MRS年次大会,
Nov. 2023.
-
Yuya Otsubo,
Teppei Nagase,
Masaki Azuma,
Takafumi Yamamoto.
(111)p酸素欠損面を持つペロブスカイト型酸化物 Ba6Na2Ta2X2O17(X = P, V)の合成と構造解析,
日本セラミックス協会第36回秋季シンポジウム,
2023.
-
Takuma Itoh,
Kei Shigematsu,
Peter Meisenheimer,
Paul Stevenson,
Ramamoorthy Ramesh,
Masaki Azuma.
Electric-field-driven reversal of ferromagnetism in (110)-oriented single phase multiferroic Co-substituted BiFeO3 thin films,
The 14th APCTP Workshop on Multiferroics,
2023.
-
Kei Shigematsu,
Marin Katsumata,
Takuma Itoh,
Keita Ozawa,
Haruki Shimizu,
Keisuke Shimizu,
Masaki Azum.
Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe、Co)O3 Thin Film,
The 14th APCTP Workshop on Multiferroics,
2023.
-
Koomok Lee,
Kei Shigematsu,
Hena Das,
Naomi Kawamura,
Masaichiro Mizumaki,
Naoki Ishimatsu,
Masaki Azuma.
Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3,
The 14th APCTP Workshop on Multiferroics,
2023.
-
Takumi Nishikubo,
Yuki Sakai,
大和田謙二,
押目典宏,
久留島康輔,
森 茂生,
Masaki Azuma.
Domain Structure Observation of PbVO3 based Negative Thermal Expansion Material,
日本MRS年次大会,
2023.
-
Takumi Nishikubo,
Yuki Sakai,
Hena Das,
Masaki Azuma.
ペロブスカイトPbMnO3の電荷秩序状態の解明,
第64回高圧討論会,
2023.
-
Takuya Ohmi,
Masaki Azuma,
Takafumi Yamamoto.
The Effects on Substitution of Thiocyanate Anion for FAPbI3,
日本化学会 第103春季年会(2023),
2023.
-
Ryotaro Hanabusa,
Takumi Nishikubo,
Masaki Azuma,
Takafumi Yamamoto.
ペロブスカイト型バナジウム酸窒化物のアニオン欠損面の制御,
第61回セラミックス基礎討論会,
2023.
-
Hiroyasu Okochi,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma,
Takafumi Yamamoto.
高温高圧下のフラックス法を用いたバナジウム酸水素化物の単結晶育成,
第61回セラミックス基礎討論会,
2023.
-
Teppei Nagase,
Takumi Nishikubo,
Masaki Azuma,
Takafumi Yamamoto.
室温で磁気抵抗効果を示す SrV0.3Fe0.7O2.8 における元素置換効果,
第61回セラミックス基礎討論会,
2023.
-
Kou Takubo,
Misaki Kaneko,
Koubu U,
Tadahiko Ishikawa,
Yoichi Okimoto,
Shin-ya Koshihara,
矢嶋渉,
Masaki Hada,
桑原真人,
Keita Ozawa,
Takuma Ito,
Kei Shigematsu,
Masaki Azuma.
BiFeO3/SrTiO3(111) 薄膜のポンププローブ電子線回折測定,
日本物理学会 2022年秋季大会,
Sept. 2022.
-
Takatoshi Hirooka,
Takumi Nishikubo,
Masaki Azuma.
共沈酸化同時プロセスを用いた巨大負熱膨張材料 BiNi0.85Fe0.15O3 の合成,
粉体粉末冶金協会2022年度秋季大会,
2022.
-
上山 幸子,
山本 孟,
福田 真幸,
岡崎 湧一,
中村 崇司,
Takumi Nishikubo,
Masaki Azuma,
山田 幾也,
木村 宏之.
CoVO3における V-V 二量体化と磁気基底状態,
日本セラミックス協会第35回秋季シンポジウム,
2022.
-
山本 孟,
上山 幸子,
山田 幾也,
Masaki Azuma,
Takumi Nishikubo,
木村 宏之.
イルメナイト型酸化物 MgVO3における構造相転移と負熱膨張,
日本セラミックス協会第35回秋季シンポジウム,
2022.
-
Taiki Kosuge,
Shogo Kawaguchi,
別府 孝介,
細川 三郎,
Masaki Azuma,
Takafumi Yamamoto.
時分割 XRD による SrCrO 3–δ におけるトポケミカル反応の観察,
日本セラミックス協会 第35回秋季シンポジウム,
2022.
-
Teppei Nagase,
Takumi Nishikubo,
Yuki Sakai,
Kei Shigematsu,
Masaki Azuma,
Takafumi Yamamoto,
Kou Mibu,
南部雄亮,
池田陽一,
松田 雅昌.
酸素欠損型ペロブスカイトSrV0.3Fe0.7O2.8における磁気抵抗効果,
日本セラミックス協会 第35回秋季シンポジウム,
2022.
-
Yasuhito Nagase,
Takuma Ito,
Kei Shigematsu,
Masaki Azuma.
マロン酸陽極酸化アルミナマスクを用いた BiFe0.9Co0.1O3 ナノドットの作製,
第83回応用物理学会秋季学術講演会,
2022.
-
Takuya Ohmi,
Takumi Nishikubo,
Masaki Azuma,
Takafumi Yamamoto.
(FA)PbI3に対するチオシアン酸アニオンの置換効果,
第83回応用物理学会秋季学術講演会,
2022.
-
Akira Sugai,
河口 彰吾,
別府 孝介,
細川 三郎,
Masaki Azuma,
Takafumi Yamamoto.
放射光を用いたSr3Fe2O7-dのトポケミカル酸化還元反応の観察,
日本セラミックス協会 第60回基礎科学討論会,
2022.
-
Koomok Lee,
Hena Das,
Kei Shigematsu,
Masaki Azuma.
Theoretical investigations of the canted antiferromagnetism in Co doped BiFeO3,
応用物理学会,
2022.
-
Yuki Sasahara,
Ryota Shimizu,
Norimasa Nishiyama,
Masaki Azuma,
Taro Hitosugi.
エピタキシャル薄膜技術を活用したCaSiO3ペロブスカイトの大気圧下回収の検討,
第62回高圧討論会,
Oct. 2021.
-
Yuki Sasahara,
Ryota Shimizu,
Norimasa Nishiyama,
Masaki Azuma,
Taro Hitosugi.
エピタキシャル安定化による高圧相ペロブスカイト型CaSiO3の大気圧下回収,
第82回応用物理学会秋季学術講演会,
Sept. 2021.
-
Yuki Sasahara,
Ryota Shimizu,
Norimasa Nishiyama,
Masaki Azuma,
Taro Hitosugi.
大気圧下不安定な高圧相ペロブスカイト型CaSiO3のエピタキシャル安定化による大気圧下回収,
第5回固体化学フォーラム研究会,
June 2021.
-
Takuya Ohmi,
三浦智明,
生駒忠昭,
Masaki Azuma,
Takafumi Yamamoto.
有機–無機ハイブリッド層状ペロブスカイト(MA)2PbI2−xBrx(SCN)2の構造相転移と光学特性,
日本セラミックス協会秋季シンポジウム,
2021.
-
Kou Takubo,
Sichen Jin,
Masaki Hada,
Masaki Azuma,
Yasuhiko Hayashi,
桑原真人,
宮坂等,
石原純夫,
Tadahiko Ishikawa,
Yoichi Okimoto,
Shin-ya Koshihara.
光誘起構造ダイナミクス測定のためのテーブルトップフェムト秒時間分解電子線回折装置の開発,
日本物理学会,
Sept. 2020.
-
Kazumasa Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Masaki Azuma.
四重ペロブスカイトCeCu3Mn4O12薄膜の格子歪みによる磁気異方性の制御,
粉体粉末冶金協会 平成30年度秋季大会,
Oct. 2018.
-
Marin Katsumata,
清水陽樹,
Keisuke Shimizu,
Kei Shigematsu,
Masaki Azuma.
Bサイト置換BiFeO3薄膜の強誘電・磁性ドメイン構造変化,
応用物理学会,
Sept. 2018.
-
Kei Shigematsu,
Kazumasa Yamamoto,
Keisuke Shimizu,
Takumi Nishikubo,
Yuki Sakai,
Masaki Azuma.
フェリ磁性体四重ペロブスカイト型LnCu3Mn4O12薄膜の電子状態,
Sept. 2018.
-
Marin Katsumata,
清水陽樹,
Keisuke Shimizu,
Kei Shigematsu,
Masaki Azuma.
マルチフェロイックBiFe1−xMnxO3薄膜の強誘電・強磁性ドメイン観察,
第3回固体化学フォーラム,
June 2018.
-
Kazumasa Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Masaki Azuma.
四重ペロブスカイトLaCu3Mn4-xFexO12薄膜の作製と磁気特性,
第65回応用物理学会春季学術講演会,
Mar. 2018.
-
Akira Ozawa,
Tsugumi Umanodan,
Yoichi Okimoto,
Tadahiko Ishikawa,
Shin-ya Koshihara,
Keisuke Shimizu,
Hajime Hojo,
Masaki Azuma.
BiFeO3単結晶薄膜の時間分解非線形分光,
第27回日本MRS年次学会,
Dec. 2017.
-
Kei Shigematsu,
Keisuke Shimizu,
Masaki Azuma.
Thin-film synthesis of quadruple perovskite oxides by pulsed laser deposition,
第78回応用物理学会秋季学術講演会,
Sept. 2017.
-
Akira Ozawa,
Tsugumi Umanodan,
Yoichi Okimoto,
Tadahiko Ishikawa,
Shin-ya Koshihara,
Keisuke Shimizu,
Hajime Hojo,
Masaki Azuma.
BiFeO3単結晶薄膜の時間分解非線形分光,
日本物理学会 2017年秋季大会,
Sept. 2017.
-
Haruki Shimizu,
Keisuke Shimizu,
Hajime Yamamoto,
Hajime Hojo,
Kei Shigematsu,
Masaki Azuma.
マルチフェロイックBiFe0.9Fe0.1O3薄膜への第3元素置換,
Sept. 2017.
-
Keisuke Shimizu,
Kei Shigematsu,
Masaki Azuma.
四重ペロブスカイトLnCu3Mn4O12薄膜の作製と室温フェ リ磁性,
応用物理学会秋季学術講演会,
Sept. 2017.
-
Takeshi Asakura,
Hajime Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Hajime Hojo,
Kou Mibu,
Masaki Azuma.
BiFe1-xMn xO3のスピン構造変化,
応用物理学会,
Mar. 2017.
-
Masaki Azuma.
ビスマス・鉛ペロブスカイトの系統的な電荷分布変化,
第64回応用物理学会春季学術講演会,
Mar. 2017.
-
Takeshi Asakura,
Hajime Yamamoto,
Keisuke Shimizu,
Kei Shigematsu,
Hajime Hojo,
Kou Mibu,
Masaki Azuma.
BiFe1-xMn xO3のスピン構造変化,
第55回セラミックス基礎科学討論会,
Jan. 2017.
-
Suguru Naruse,
Yoichi Okimoto,
Tsugumi Umanodan,
深谷亮,
野澤俊介,
Shin-ya Koshihara,
Tadahiko Ishikawa,
Keisuke Shimizu,
Hajime Hojo,
Masaki Azuma.
BiFe0.5Co0.5O3薄膜結晶における光による電子状態制御,
第26回光物性研究会,
Dec. 2015.
-
Masaki Azuma.
PbCrO3のPb2+/4+電荷グラスと圧力誘起電荷移動,
「ナノ構造情報」第5回全体会議,
July 2015.
-
Junpei Iwasaki,
Takao Katagiri,
柳瀬侑起,
Tomoaki Watanabe,
Takao Sasagawa,
Masaki Azuma,
OSAMU ODAWARA,
Hiroyuki Wada.
緑色蛍光体(Ba3-x,Cax)Si6O12N2:Eu2+(x=0~0.75)の合成と光学特性評価,
第61回応用物理学会春季学術講演会,
Mar. 2014.
-
Y. Morita,
Mikio Takano,
T. Sudayama,
Kou Takubo,
溝川 貴司,
Ikuya Yamada,
白木 宏,
Takashi Saito,
Masaki Azuma,
Yuichi Shimakawa.
24aPS-78 Aサイトダブルペロブスカイト(Ca,Na)Cu3V4O_<12>の光電子分光(24aPS ポスターセッション(低温),領域8(強相関係:高温超伝導,強相関f電子系など)),
日本物理学会講演概要集,
一般社団法人 日本物理学会,
Vol. 63,
No. 0,
2008.
-
Y. Morita,
T. Sudayama,
Kou Takubo,
溝川 貴司,
Ikuya Yamada,
白木 宏,
Masaki Azuma,
Yuichi Shimakawa,
Mikio Takano.
22aWG-7 Aサイトダブルペロブスカイト(Ca,Y)Cu3Co4O_<12>の光電子分光(Co酸化物,熱電材料,領域8,強相関係:高温超伝導,強相関f電子系など),
日本物理学会講演概要集,
一般社団法人 日本物理学会,
Vol. 62,
No. 0,
2007.
Other Publication
-
Masaki Azuma.
巨大負熱膨張材料BiNi1−xFexO3とゼロ熱膨張コンポジット,
マテリアルステージ,
23,
12,
Mar. 2024.
-
Kei Shigematsu,
清水啓佑,
北條 元,
Masaki Azuma.
コバルト置換ビスマスフェライト薄膜における電場印加磁化反転,
日本物理学会誌,
78,
12,
Dec. 2023.
-
Masaki Azuma,
岡 研吾,
山本 孟,
Yuki Sakai.
巨大負熱膨張材料の研究,
粉体および粉末冶金,
69,
356-361,
Aug. 2022.
-
Masaki Azuma,
Hajime Yamamoto.
巨大負熱膨張への挑戦 電子ドープ強誘電体PbVO3,
化学,
Vol. 73,
No. 10,
pp. 68-69,
Oct. 2019.
-
Masaki Azuma,
Kengo Oka,
Hajime Yamamoto,
Yuki Sakai.
相転移型巨大負熱膨張物質,
応用物理,
Vol. 88,
No. 3,
Mar. 2019.
-
Masaki Azuma.
金属間電荷移動による巨大負熱膨張材料BiNi1-xFexO3とゼロ熱膨張コンポジット,
セラミックス,
Vol. 52,
pp. 590-592,
Sept. 2017.
-
Masaki Azuma.
巨大負熱膨張材料 BiNi1-xFex03 を用いたゼロ熱膨張コンポジット,
表面技術,
Vol. 67,
No. 3,
pp. 15-19,
Mar. 2016.
-
Masaki Azuma.
巨大負熱膨張粉体を用いたゼロ熱膨張コンポジット,
ホソカワ粉体工学振興財団年報,
公益財団法人 ホソカワ粉体工学振興財団,
Vol. 23,
pp. 18-22,
2015.
-
Masaki Azuma.
巨大負熱膨張材料 BiNi1-xFex03 とゼロ熱膨張コンポジット,
MATERIALSTAGE,
Vol. 15,
No. 7,
pp. 10-12,
2015.
-
Masaki Azuma.
BiNiO3の圧力誘起サイト間電荷移動と負熱膨張への展開,
化学と工業,
Vol. 67,
pp. 18-20,
Jan. 2014.
-
Masaki Azuma.
負の熱膨張物質,
パリティ,
Vol. 28,
No. 1,
pp. 27-29,
Jan. 2013.
-
Masaki Azuma,
Kengo Oka.
ぺロブスカイトBiNiO₃におけるサイト間電荷移動と巨大負の熱膨張,
日本結晶学会誌,
Vol. 54,
No. 6,
pp. 325-331,
Dec. 2012.
-
Masaki Azuma.
ビスマスの特性を活かした環境調和機能性酸化物の開発,
未来材料,
Vol. 12,
No. 12,
pp. 58-62,
Dec. 2012.
-
Masaki Azuma.
温めると縮む新材料,
パリティ,
Vol. 27,
No. 9,
pp. 37-40,
Sept. 2012.
-
Masaki Azuma,
Masaichiro Mizumaki,
Toru Watanuki.
Colossal negative thermal expansion in BiNiO₃ induced by intermetallic charge transfer,
SPring-8 Research Frontiers 2011,
pp. 52-53,
Aug. 2012.
-
Masaki Azuma.
巨大な負の熱膨張を示すぺロブスカイト酸化物Bi₁-xLaxNiO₃,
工業材料,
Vol. 60,
No. 1,
pp. 2-3,
Jan. 2012.
-
Masaki Azuma.
新しい負の熱膨張セラミックス,
FINE CERAMICS REPORT,
Vol. 30,
No. 1,
pp. 28-31,
Jan. 2012.
-
Masaki Azuma.
菱面体晶‐正方晶固溶体BiFeO₃-BiCoO₃,
マテリアルインテグレーション,
Vol. 24,
No. 12,
pp. 27-32,
Dec. 2011.
-
Masaki Azuma,
Yuichi Shimakawa,
Masaichiro Mizumaki,
Toru Watanuki.
ペロブスカイトBiNiO3におけるサイト間電荷移動と巨大負の熱膨張,
SPring-8 Information,
Vol. 16,
No. 4,
pp. 261-266,
Nov. 2011.
-
Kenneth R. Poeppelmeier,
Masaki Azuma.
Ionothermal synthesis:A new spin on frustration,
NATURE CHEMISTRY,
Vol. 3,
pp. 758-759,
Oct. 2011.
-
Masaki Azuma,
masaaki matsuda.
ハニカム格子反強磁性体が示すフラストレーション,
日本物理学会誌,
Vol. 66,
No. 8,
pp. 614-617,
Aug. 2011.
-
Masaki Azuma.
機能性遷移金属酸化物の高圧合成,
セラミックス,
Vol. 46,
No. 5,
pp. 372-377,
May 2011.
-
Miura, K.,
Masaki Azuma,
HIROSHI FUNAKUBO.
Electronic and structural properties of ABO3: Role of the B-O coulomb repulsions for ferroelectricity,
Materials,
Vol. 4,
No. 1,
pp. 260-273,
2010.
-
Masaki Azuma.
新しいビスマス・鉛ペロブスカイトPbVO3・BiCoO3とBiNiO3,
セラミックス,
Vol. 43,
pp. 617-621,
2008.
-
Masaki Azuma,
Kengo Oka,
Masahiko Tsujimoto,
Takashi Saito,
Syoji Isoda,
Yuichi Shimakawa,
Mikio Takano,
Seiji Niitaka,
Alexei A. Belik.
Bi, Pb-3d遷移金属ペロブスカイトの構造物性研究,
日本結晶学会誌,
Vol. 49,
No. 6,
pp. 335-340,
2007.
-
Masaki Azuma,
Takashi Saito,
Ikuya Yamada,
Yuichi Shimakawa,
Mikio Takano.
放射光X線その場観察に基づく高圧相遷移金属酸化物の単結晶育成,
放射光,
Vol. 19,
No. 5,
pp. 304-313,
2006.
-
Masaki Azuma.
ペロブスカイトSrTiO3の青色発光,
化学,
Vol. 61,
No. 2,
pp. 59-60,
2006.
-
Shintaro Ishiwata,
Takashi Saito,
Masaki Azuma,
Mikio Takano.
ペロブスカイト型ニッケル酸化物の固体化学,
セラミックス,
Vol. 41,
No. 3,
pp. 183-188,
2006.
-
Masaki Azuma,
yuhki Kohsaka,
Ikuya Yamada,
Alexei A. Belik,
Hidenori Takagi,
Mikio Takano.
高圧下での酸化物単結晶育成と新物質探索,
応用物理,
Vol. 74,
No. 1,
pp. 27-31,
2005.
-
Masaki Azuma,
Kazuhide Takata,
Takashi Saito,
Ikuya Yamada,
Yuichi Shimakawa,
Mikio Takano.
機能性酸化物材料探索の新展開,
高圧力の科学と技術,
Vol. 15,
No. 4,
pp. 292-302,
2005.
-
Masaki Azuma,
Takashi Saito,
Seiji Niitaka,
Shintaro Ishiwata,
Hirochika Kanda,
Ikuya Yamada,
Mikio Takano,
Wataru Utsumi.
放射光X線回折を利用した高圧合成研究,
固体物理,
Vol. 38,
No. 2,
pp. 141-150,
2003.
-
Masaki Azuma,
Mikio Takano.
GPa領域での遷移金属酸化物単結晶育成,
日本物理学会誌,
Vol. 57,
No. 7,
pp. 492-499,
2002.
-
Wataru Utsumi,
Yoshinori Katayama,
Tsuyoshi Mizutani,
Osamu Shimomura,
Masaaki Yamakata,
Masaki Azuma,
Takashi Saito.
原研ビームライン(BL14B1)における高温高圧下X線回折実験,
日本結晶学会誌,
Vol. 42,
No. 1,
pp. 59-67,
2000.
-
Masaki Azuma,
Mikio Takano.
スピン梯子化合物およびその周辺物質,
物性研究,
Vol. 74,
No. 4,
pp. 343-356,
2000.
-
M. Takano,
Z. Hiroi,
M. Azuma,
Y. Takeda.
Application of High Pressure and High Oxygen Pressure to Copper Oxides, Mechanisms of Superconductivity,
JJAP Series,
Vol. 7,
pp. 3-13,
1992.
-
Mikio Takano,
zenji hiroi,
Masaki Azuma,
Yasuo Takeda.
新しい銅酸化物超伝導体の探索:高圧合成,
固体物理,
Vol. 27,
No. 3,
pp. 251-255,
1992.
-
Mikio Takano,
zenji hiroi,
Masaki Azuma,
Yasuo Takeda.
アルカリ土類−銅酸化物超伝導体の高圧合成,
応用物理,
Vol. 61,
No. 5,
pp. 503-507,
1992.
Patent
-
Masaki Azuma,
Hajime Yamamoto.
圧電体.
Patent.
Published.
国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所(KISTEC).
2020/03/13.
特願2020-044500.
2021/09/24.
特開2021-143114.
2021.
-
Masaki Azuma.
負熱膨張性材料の製造方法.
Patent.
Published.
国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所(KISTEC).
2019/12/06.
特願2019-220914.
2021/06/10.
特開2021-088495.
2021.
-
Masaki Azuma,
Kei Shigematsu,
Keisuke Shimizu.
積層体.
Patent.
Published.
国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所(KISTEC).
2019/09/25.
特願2019-174070.
2021/04/01.
特開2021-050116.
2021.
-
Masaki Azuma.
樹脂組成物およびその樹脂成形体.
Patent.
Registered.
国立大学法人東京工業大学, キヤノン株式会社, 地方独立行政法人神奈川県立産業技術総合研究所(KISTEC).
2019/07/23.
特願2019-135114.
2021/02/15.
特開2021-017514.
特許第7351477号.
2023/09/19
2023.
-
Masaki Azuma,
Takumi Nishikubo.
負熱膨張性材料、及び複合体.
Patent.
Registered.
国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所(KISTEC), 学校法人中央大学.
2015/08/31.
特願2015-170990.
2017/03/09.
特開2017-048071.
特許第6555473号.
2019/07/19
2019.
-
Masaki Azuma,
Kengo Oka,
Koichiro Nabetani,
Yuya Muramatsu.
負熱膨張性材料.
Patent.
Registered.
国立大学法人東京工業大学.
2013/07/23.
特願2014-531487.
2016/07/28.
再表2014/030293.
特許第6143197号.
2017/05/19
2017.
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