"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,
"Toshiki Ikumi,Teppei Nagase,Kei Shigematsu,Masaki Azuma,Takafumi Yamamoto","酸素欠損型ペロブスカイト SrV<sub>0.3</sub>Fe<sub>0.7</sub>O<sub>2.8</sub> 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,
"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BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>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,
"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 Co<sup>3+</sup> substituted BiFeO3","第15回在日科協合同分科会",,,,,,2024,
"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 Co<sup>3+</sup> substituted BiFeO3","The 22nd Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT22)",,,,,,2024,
"Masaki Azuma,Kei Shigematsu,Hajime Hojo,Keisuke  Shimizu,Takuma Itoh,Ko Mibu","Magnetization reversal by electric field in Co substituted BiFeO<sub>3</sub>","Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23)",,,,,,2024,
"Koomok Lee,Kei Shigematsu,Hena Das,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azum","Emergence of weak ferromagnetism in High Spin Co<sup>3+</sup> substituted BiFeO<sub>3</sub>","Materials Research Society of Japan 2023/ the International Union of Materials Research Societies 2023 (MRM2023/IUMRS-ICA2023)",,,,,,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,
"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",,2023,Dec.
"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",,,,,,2023,Nov.
"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 Li<sub>2.75</sub>[B<sub>0.625</sub>P<sub>0.125</sub>S<sub>0.25</sub>]O<sub>3.375</sub>",,"The Journal of Physical Chemistry C",,"  127","  29","  14117-14124",2023,July
"Takuma Itoh,Kei Shigematsu,Takumi Nishikubo,MasakiAzuma","Out?of?plane polarization reversal and changes in in?plane ferroelectric and ferromagnetic domains of multiferroic BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> thin flms by water printing",,"Scientifc Reports",,"  13",,"  7236",2023,May
"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)O<sub>3</sub> Thin Film",,"Advanced Physics Research",,"  2",,"  220009",2023,Apr.
"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)O<sub>3</sub>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,
"LEE KOOMOK,Kei Shigematsu,Hena Das,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azuma","Emergence of weak ferromagnetism in High Spin Co<sup>3+</sup> substituted BiFeO<sub>3 </sub>","MRM2023/IUMRS-ICA2023",,,,,,2023,
"Masaki Azuma,Kei Shigematsu,Hajime Hojo,Keisuke Shimizu,Ko Mibu","Magnetization Reversal by Electric Field in Co Substituted BiFeO<sub>3</sub>","PACRIM15・CICC-13",,,,,,2023,
"Daiki Ono,Takumi Nishikubo,Yuki Sakai,Kei Shigematsu,Masaki Azuma","マルチフェロイック物質 BiFeO<sub>3</sub> 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,
"Koomok Lee,Kei Shigematsu,Hena Das,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azuma","Emergence of weak ferromagnetism in High Spin Co<sup>3+</sup> substituted BiFeO<sub>3</sub>","The 14th APCTP Workshop on Multiferroics",,,,,,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 SrV<sub>0.3</sub>Fe<sub>0.7</sub>O<sub>3</sub>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,
"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,
"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BiFeO<sub>3</sub>の強誘電・強磁性ドメイン変化","第40回強誘電体会議",,,,,,2023,
"Koomok Lee,Kei Shigematsu,Hena Das,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azuma","Emergence of weak ferromagnetism in High Spin Co<sup>3+</sup> substituted BiFeO<sub>3</sub>","The 14th APCTP Workshop on Multiferroics",,,,,,2023,
"Daiki Ono,Takumi Nishikubo,Yuki Sakai,Kei Shigematsu,Masaki Azuma","マルチフェロイック物質BiFeO<sub>3</sub>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,
"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)O<sub>3</sub> Thin Film","The 14th APCTP Workshop on Multiferroics",,,,,,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 BiFeO<sub>3</sub> thin films","The 14th APCTP Workshop on Multiferroics",,,,,,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",,,,,,2022,Sept.
"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",,,,,2022,Aug.
"Koomok Lee,Kei Shigematsu,Masaki Azuma","Heteroepitaxial growth of InSb thin film on SrTiO<sub>3</sub> (001) by pulsed laser deposition for magnetic Hall sensor application",,"Japanese Journal of Applied Physics",,"  61","  8","  080902",2022,July
"Koomok Lee,Kei Shigematsu,Hena Das,Masaki Azuma","Exploring the correlation between the spin-state configuration and the magnetic order in Co-substituted BiFeO<sub>3</sub>",,"Physical Review Materials",,"  6",,"  064401",2022,June
"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",2022,June
"Teppei Nagase,Takumi Nishikubo,Masayuki Fukuda,Yuki Sakai,Kei Shigematsu,Yoichi Ikeda,Yusuke Nambu,Zhang Qiang,masaaki matsuda,Kou Mibu,Masaki Azuma,Takafumi Yamamoto","SrV<sub>0.3</sub>Fe<sub>0.7</sub>O<sub>2.8</sub>: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance",,"Inorganic Chemistry",,"Vol. 61","No. 24","pp. 8987-8991",2022,June
"Takuma Itoh,Marin Katsumata,Kei Shigematsu,Masaki Azuma","Control of ferroelectric and ferromagnetic domains in BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> thin films by utilizing trailing fields",,"Applied Physics Express",,"  15","  2","  023002",2022,Jan.
"Takuma Itoh,Kei Shigematsu,Masaki Azuma","(110)配向マルチフェロイックBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>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BiFeO<sub>3</sub>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,
"Takuma Itoh,Kei Shigematsu,Masaki Azuma","強誘電性・強磁性を併せ持つBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>薄膜のWater printing による面外分極反転とドメイン制御",,,,,,,2022,
"Koomok Lee,Kei Shigematsu,Masaki Azuma","Co 置換BiFeO<sub>3</sub>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,
"Koomok Lee,Kei Shigematsu,Das Hena,Masaki Azuma","Exploring the Correlation Between the Spin-State Configuration and the Magnetic Order in Co-Substituted BiFeO<sub>3</sub>","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 BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> 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,
"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,
"Koomok Lee,Hena Das,Kei Shigematsu,Masaki Azuma","Theoretical investigations of the canted antiferromagnetism in Co doped BiFeO<sub>3</sub>","応用物理学会",,,,,,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 BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> 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,
"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SrV<sub>0.3</sub>Fe<sub>0.7</sub>O<sub>2.8</sub>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,
"Koomok Lee,Kei Shigematsu,Masaki Azuma","Co置換BiFeO<sub>3</sub>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,
"Riyujiyu Ito,Takuya Ohmi,Takumi Nishikubo,Yuki Sakai,Kei Shigematsu,Masaki Azuma,Takafumi Yamamoto","Co<sup>2+</sup>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,
"Jei Okajima,Masaki Azuma,Kei Shigematsu","マルチフェロイックBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>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,
"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BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> 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,
"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",,,,,2021,Nov.
"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 Li<sub>4</sub>OBr<sub>2</sub> Derivatives with a Layered Inverse-Perovskite Structure",,"Chemistry of Materials",,"  33","  23","  9194-9201",2021,Nov.
"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",2021,Oct.
"Marin Katsumata,Kei Shigematsu,Takuma Itoh,Haruki Shimizu,Keisuke Shimizu,Masaki Azuma","Stabilization of correlated ferroelectric and ferromagnetic domain structures in BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>  films",,"Applied Physics Letters",,"  119",,"  132901",2021,Sept.
"Masaki Azuma,Hajime Hojo,Kengo Oka,Hajime Yamamoto,Keisuke Shimizu,Kei Shigematsu,Yuki Sakai","Functional Transition Metal Perovskite Oxides with 6s<sup>2</sup> Lone Pair Activity Stabilized by High-Pressure Synthesis",,"Annual Review of Materials Research",,"  51",,"  329-349",2021,May
"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",,,,,2021,Mar.
"Yukimasa Fukada,Ryota Fukuyama,Kosuke Fujiwara,Kenji Yoshii,Kei Shigematsu,Masaki Azuma,Naoshi Ikeda","Analysis of Glass Behavior of Lu<sub>2</sub>Fe<sub>3</sub>O<sub>7</sub> with Distributed Equivalent Circuit Model",,"Journal of the Physical Society of Japan",,"  90",,"  024710",2021,Jan.
"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,
"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 Li<sub>4</sub>OBr<sub>2-x</sub>I<sub>x</sub>","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,
"Takuma Ito,勝俣 真綸,Kei Shigematsu,Masaki Azuma","強誘電性・強磁性が共存するBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>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BiFeO<sub>3</sub>薄膜における電場印加磁化反転","ナノ討論会",,,,,,2021,
"Takuma Itoh,Marin Katsumata,Kei Shigematsu,Masaki Azuma","Control of ferromagnetic and ferroelectric domains in BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3 </sub>thin films by utilizing trailing fields","IEEE ISAF2021",,,,,,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,
"Kei Shigematsu,Keita Ozawa,Marin Katsumata,Masaki Azuma","Observation of ferroelectric and ferromagnetic domains of BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> nanodot array by using anodic porous alumina mask","MATERIALS RESEARCH MEETING(MRM)2021",,,,,,2021,
"Masaki Azuma,Kei Shigematsu,北條 元,Kou Mibu","BiFe<sub>1-x</sub>Co<sub>x</sub>O<sub>3</sub>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,
"Takuma Itoh,勝俣 真綸,Kei Shigematsu,Masaki Azuma","マルチフェロイックBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> 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,
"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,
"Shogo Wakazaki,Takumi Nishikubo,Kei Shigematsu,Takafumi Yamamoto,Masaki Azuma,Naoki Matsui,Kouta Suzuki,Ryoji KANNO,Jalem Randy,館山佳尚","層状逆ヘ?ロフ?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",,,,,,2020,Dec.
"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 6s<sup>2</sup> Lone Pair in Bi<sub>0.5</sub>Pb<sub>0.5</sub>MnO<sub>3</sub>",,"INORGANIC CHEMISTRY",,"  59","  18","  13390-13397",2020,Sept.
"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",,2020,Sept.
"Yuya Komatsu,Ryota Shimizu,Markus Wilde,Shigeru Kobayashi,Yuki Sasahara,Kazunori Nishio,Kei Shigematsu,Akira Ohtomo,Katsuyuki Fukutani,Taro Hitosugi","Epitaxial Thin Film Growth of Europium Dihydride",,"Cryst. Growth. Des.",,"  20","  9","  5903 - 5907",2020,Aug.
"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)PbVO<sub>3</sub>?xBiCoO<sub>3</sub> Solid Solutions",,"CHEMISTRY OF MATERIALS",,"  32","  16","  6892-6897",2020,July
"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 BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3 </sub>thin films",,"APPLIED PHYSICS EXPRESS",,"  13","  7",,2020,June
"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",,2020,May
"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","No. 3","pp. 1767?1773",2019,Jan.
"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",,,,,,2018,Oct.
"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",,,,,,,2018,Sept.
"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",,,,,,2018,Sept.
"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",,,,,,2018,Sept.
"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",,,,,,2018,June
"Kei Shigematsu","Bi(Fe,Mn)O3におけるスピン構造制御：高圧合成試料とエピタキシャル薄膜との比較","第3回固体化学フォーラム",,,,,,2018,June
"Kei Shigematsu,Takeshi Asakura,Hajime Yamamoto,Keisuke Shimizu,Marin Katsumata,Haruki Shimizu,Yuki Sakai,Hajime Hojo,Ko Mibu,Masaki Azuma","Room temperature ferromagnetism in BiFe<sub>1</sub><sub>-</sub><sub>x</sub>Mn<sub>x</sub>O<sub>3</sub> thin film induced by spin-structure manipulation",,"Applied Physics Letters.",,"Vol. 112",,"p. 192905",2018,May
"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",,,,,,2018,Mar.
"H. Yamamoto,Y. Sakai,K. Shigematsu,T. Aoyama,T. Kimura,M. Azuma","Reorientation of the Magnetic Easy Plane in a Co-Substituted BiFeO<sub>3</sub> Single Crystal",,"Inorganic Chemistry",,"Vol. 56","No. 24","pp. 15171-15177",2017,Dec.
"Hirokazu Kyokane,Keisuke Shimizu,Kei Shigematsu,Hajime Hojo,Masaki Azuma","Fabrication of Strain-induced Tetragonal Sr1-xBaxVO3 Thin Film","ISNTE-II",,,,,,2017,Dec.
"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",,,,,,2017,Nov.
"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",,,,,,2017,Nov.
"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",,,,,,2017,Sept.
"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",,,,,,,2017,Sept.
"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",,,,,,2017,Sept.
"H. Kyokane,K. Shimizu,K. Shigematsu,H. Hojo,M. Azuma","Fabrication of Tetragonal Sr1-xBaxVO3 Thin Film with d1 Configuration","ICMaSS2017",,,,,,2017,Sept.
"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",,,,,,2017,Mar.
"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",,,,,,2017,Jan.
"Tankanori Yamazaki,Kei Shigematsu,Yasushi Hirose,Shoichiro Nakao,Isao Harayama,Daiichiro Sekiba,Tetsuya Hasegawa","Amorphous ZnOxNy thin films with high electron Hall mobility exceeding  200 cm2V-1s-1",,"Appl. Phys. Lett.",,"Vol. 109",,"p. 262101",2016,Dec.
"Tsukasa Katayama,Akira Chikamatsu,Keisuke Yamada,Kei Shigematsu,Tomoya Onozuka,Makoto Minohara,Hiroshi Kumigashira,Eiji Ikenaga,Tetsuya Hasegawa","Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films",,,,,,,2016,Aug.
"Janne-Petteri Niemel?,Yasushi Hirose,Kei Shigematsu,Masahito Sano,Tetsuya Hasegawa,Karppinen Maarit","Suppressed grain-boundary scattering in atomic layer deposited Nb: TiO2 thin films",,"Appl. Phys. Lett.",,"Vol. 107","No. 19","pp. 192102",2015,Nov.
"Kaori Kurita,Akira Chikamatsu,Kei Shigematsu,Tsukasa Katayama,Hiroshi Kumigashira,Tomoteru Fukumura,Tetsuya Hasegawa","Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRu O 3 epitaxial thin films",,"Phys. Rev. B",,"vol. 92",,"p. 115153",2015,Sept.
"Shen Xi,Akira Chikamatsu,Kei Shigematsu,Yasushi Hirose,Tomoteru Fukumura,Tetsuya Hasegawa","Metallic transport and large anomalous Hall effect at room temperature in ferrimagnetic Mn4N epitaxial thin film",,"Applied Physics Letters",,"Vol. 105","No. 7","pp. 072410",2014,Aug.
"Kei Shigematsu,Akira Chikamatsu,Tomoteru Fukumura,Satoshi Toyoda","Sr2MgMoO6− δ thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies",,,,,,,2014,June
"Kei Shigematsu,Akira Chikamatsu,Yasushi Hirose,Tomoteru Fukumura,Tetsuya Hasegawa","Enhanced coercivity of half-metallic La0. 7Sr0. 3MnO3 by Ru substitution under in-plane uniaxial strain",,,,,,,2012,Apr.