@article{CTT100910830, author = {Qiu min Liu and Hena Das and Takumi Nishikubo and Yuki Sakai and Ko Mibu and Tomoko Onoue and Takateru Kawakami and Tetsu Watanuki and Akihiko Machida and Xubin Ye and Jianhong Dai and Zhao Pan and Lei Hu and Satoshi Nakano and Masayuki Fukuda and Shiori Kihara and Koomok Lee and Takehiro Koike and Youwen Long and Masaki Azum}, title = {ressure Induced Amorphization of Pb2+ and Pb4+ in Perovskite PbFeO3}, journal = {Chemistry of Materials}, year = 2024, } @article{CTT100910703, author = {Feiyu Qin and Lei Hu and Yingcai Zhu and Yuki Sakai and Shogo Kawaguchi and Akihiko Machida and Tetsu Watanuki and Yue-Wen Fang and Jun Sun and Xiangdong Ding and Masaki Azuma}, title = {Integrating abnormal thermal expansion and ultralow thermal conductivity into (Cd,Ni)2Re2O7 via synergy of local structure distortion and soft acoustic phonons}, journal = {Acta Materialia}, year = 2023, } @article{CTT100886779, author = {Takumi Nishikubo and Takashi Imai and Yuki Sakai and Masaichiro Mizumaki and Shogo Kawaguchi and Norihiro Oshime and Ayumu Shimada and Kento Sugawara and Kenji Ohwada and Akihiko Machida and Tetsu Watanuki and Kosuke Kurushima and Shigeo Mori and Takashi Mizokawa and Masaki Azuma}, title = {Polar−Nonpolar Transition-Type Negative Thermal Expansion with 11.1% Volume Shrinkage by Design}, journal = {Chemistry of Materials}, year = 2023, } @article{CTT100886778, author = {Yuki Sakai and Kana Matsuno and Takumi Nishikubo and Masayuki Fukuda and Shogo Wakazaki and Masahito Ikeda and Kazuki Takahashi and Zhao Pan and Lei Hu and Masaki Azuma}, title = {Two Types of Negative Thermal Expansion Observed in PbCr1−xTixO3}, journal = {Chemistry of Materials}, year = 2023, } @article{CTT100886718, author = {Hiroshi Nakajima and Akihiro Osako and NoriharuYodoshi and YoshiharuYamada and HirofumiTsukasaki and Ken Harada and Yuki Sakai and Kei Shigematsu and Takumi Nishikubo and Masaki Azuma and Shigeo Mori}, title = {Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys}, journal = {Microscopy}, year = 2022, } @article{CTT100886704, author = {Takehiro Koike and Takumi Nishikubo and Yuki Sakai and Hirofumi Ishii and Masaki Azuma}, title = {Negative thermal expansion in PbTiO3-type perovskites oxide Bi0.5+xNa0.5−xVO3}, journal = {Journal of the Ceramic Society of Japan }, year = 2022, } @article{CTT100886716, author = {Shiori Kihara and Yuki Sakai and Shogo Wakazaki and Takumi Nishikubo and Takehiro Koike and Ko Mibu and Hongwu Yu and Yoichi Okimoto and Shin-ya Koshihara and Masaki Azuma}, title = {Bi0.5Pb0.5FeO3 with Unusual Pb Charge Disproportionation: Indication of a Systematic Charge Distribution Change in Bi0.5Pb0.5MO3 (M: 3d Transition Metal)}, journal = {Inorganic Chemistry}, year = 2022, } @article{CTT100875182, author = {Teppei Nagase and Takumi Nishikubo and Masayuki Fukuda and Yuki Sakai and Kei Shigematsu and Yoichi Ikeda and Yusuke Nambu and Zhang Qiang and masaaki matsuda and Kou Mibu and Masaki Azuma and Takafumi Yamamoto}, title = {SrV0.3Fe0.7O2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance}, journal = {Inorganic Chemistry}, year = 2022, } @article{CTT100866894, author = {Zhao Pan and Koike Takehiro and Takumi Nishikubo and Lei Hu and Qiumin Liu and Yuki Sakai and Shogo Kawaguchi and Masaki Azuma}, title = {Realization of Negative Thermal Expansion in Lead-Free Bi0.5K0.5VO3 by the Suppression of Tetragonality}, journal = {Inorganic Chemistry}, year = 2022, } @article{CTT100866911, author = {Shogo Wakazaki and Qiumin Liu and Randy Jalem and Takumi Nishikubo and Yuki Sakai and Naoki Matsui and Guowei Zhao and Kota Suzuki and Kei Shigematsu and Takafumi Yamamoto and Ryoji Kanno and Hena Das and Yoshitaka Tateyama and Masaki Azuma}, title = {High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure}, journal = {Chemistry of Materials}, year = 2021, } @article{CTT100866918, author = {Lei Hu and Yingcai Zhu and Yue-Wen Fang and Masayuki Fukuda and Takumi Nishikubo and Zhao Pan and Yuki Sakai and Shogo Kawaguchi and Hena Das and Akihiko Machida and Tetsu Watanuki and Shigeo Mori and Koshi Takenaka and Masaki Azuma}, title = {Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca2RuO4}, journal = {Chemistry of Materials}, year = 2021, } @article{CTT100866929, author = {Masaki Azuma and Hajime Hojo and Kengo Oka and Hajime Yamamoto and Keisuke Shimizu and Kei Shigematsu and Yuki Sakai}, title = {Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis}, journal = {Annual Review of Materials Research}, year = 2021, } @article{CTT100866915, author = {Takahiro Ogata and Yuki Sakai and Takumi Nishikubo and Takashi Mizokawa and Masaichiro Mizumaki and Koomok Lee and Qiumin Liu and Masaki Azuma}, title = {Intermetallic Charge Transfer in V-Substituted PbCrO3}, journal = {Inorganic Chemistry}, year = 2021, } @article{CTT100866908, author = {Xubin Ye and Jianfa Zhao and Hena Das and Denis Sheptyakov and Junye Yang and Yuki Sakai and Hajime Hojo and Zhehong Liu and Long Zhou and Lipeng Cao and Takumi Nishikubo and Shogo Wakazaki and Cheng Dong and Xiao Wang and Zhiwei Hu and Hong-Ji Lin and Chien-Te Chen and Christoph Sahle and Anna Efiminko and Huibo Cao and Stuart Calder and Ko Mibu and Michel Kenzelmann and Liu Hao Tjeng and Runze Yu and Masaki Azuma and Changqing Jin and Youwen Long}, title = {Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3}, journal = {Nature Communications}, year = 2021, } @article{CTT100866909, author = {Xubin Ye and Jianfa Zhao and Hena Das and Denis Sheptyakov and Junye Yang and Yuki Sakai and Hajime Hojo and Zhehong Liu and Long Zhou and Lipeng Cao and Takumi Nishikubo and Shogo Wakazaki and Cheng Dong and Xiao Wang and Zhiwei Hu and Hong-Ji Lin and Chien-Te Chen and Christoph Sahle and Anna Efiminko and Huibo Cao and Stuart Calder and Ko Mibu and Michel Kenzelmann and Liu Hao Tjeng and Runze Yu and Masaki Azuma and Changqing Jin and Youwen Long}, title = {Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3}, journal = {Nature Communications}, year = 2021, } @article{CTT100846251, author = {Masaki Ozeki and Victoria Warne-Lang and Hirofumi Tsukasaki and Naoyuki Katayama and Yoshihiko Okamoto and Shigeo Mori and Koshi Takenaka and Masaki Azuma and Hajime Hojo and Kengo Oka and Hajime Yamamoto and Keisuke Shimizu and Kei Shigematsu and Yuki Sakai}, title = {Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research}, journal = {Annual Review of Materials Research}, year = 2021, } @article{CTT100844723, author = {東 正樹 and 酒井 雄樹 and 西久保 匠 and 岡 研吾 and 山本 孟}, title = {圧力誘起相転移を利用した巨大負熱膨張物質の開発}, journal = {高圧力の科学と技術}, year = 2021, } @article{CTT100866914, author = {Zhao Pan and Mao-Hua Zhang and Takumi Nishikubo and Yuki Sakai and Hajime Yamamoto and Hajime Hojo and Masayuki Fukuda and Lei Hu and Hayato Ishizaki and Satoru Kaneko and Shogo Kawaguchi and Jurij Koruza and Jürgen Rödel and Masaki Azuma}, title = {Polarization Rotation at Morphotropic Phase Boundary in New Lead-Free Na1/2Bi1/2V1–xTixO3 Piezoceramics}, journal = {Acs Applied Materials & Interfaces}, year = 2021, } @article{CTT100841525, author = {Wakazaki Shogo and Nishikubo Takumi and Sakai Yuki and Shigematsu Kei and Das Hena and Zhang Depei and Zhang Qiang and Matsuda Masaaki and Azuma Masaki}, title = {Stabilized Charge, Spin, and Orbital Ordering by the 6s2 Lone Pair in Bi0.5Pb0.5MnO3}, journal = {INORGANIC CHEMISTRY}, year = 2020, } @article{CTT100841539, author = {Masayuki Fukuda and Takumi Nishikubo and Zhao Pan and Yuki Sakai and Mao-Hua Zhang and Shogo Kawaguchi and Hongwu Yu and Yoichi Okimoto and Shin-ya Koshihara and Mitsuru Itoh and Jürgen Rödel and Masaki Azuma}, title = {Enhanced Spontaneous Polarization by V4+ Substitution in a Lead-Free Perovskite CaMnTi2O6}, journal = {INORGANIC CHEMISTRY}, year = 2020, } @article{CTT100841546, author = {Yoshitaka Nakamura and Yuki Sakai and Masaki Azuma and Shin-ichi Ohkosh}, title = {Long-term heat-storage ceramics absorbing thermal energy from hot water}, journal = {SCIENCE ADVANCES}, year = 2020, } @article{CTT100841543, author = {Mitsuru Nitta and Nobuaki Nagao and Yuki Nomura and Taku Hirasawa and Yuki Sakai and Takahiro Ogata and Masaki Azuma and Shuki Torii and Toru Ishigaki and Yasuhisa Inada}, title = {High-Brightness Red-Emitting Phosphor La3(Si,Al)6(O,N)11:Ce3+ for Next-Generation Solid-State Light Sources}, journal = {ACS APPLIED MATERIALS & INTERFACES}, year = 2020, } @article{CTT100841537, author = {Hajime Yamamoto and Kaoru Toda and Yuki Sakai and Takumi Nishikubo and Ikuya Yamada and Kei Shigematsu and Masaki Azuma and Hajime Sagayama and Masaichiro Mizumaki and Kiyofumi Nitta and Hiroyuki Kimura}, title = {Emergence of a Cubic Phase Stabilized by Intermetallic Charge Transfer in (1 – x)PbVO3–xBiCoO3 Solid Solutions}, journal = {CHEMISTRY OF MATERIALS}, year = 2020, } @article{CTT100841551, author = {Hayato Ishizaki and Yuki Sakai and Takumi Nishikubo and Zhao Pan and Kengo Oka and Hajime Yamamoto and Masaki Azuma}, title = {Negative Thermal Expansion in Lead-Free La-Substituted Bi0.5Na0.5VO3}, journal = {CHEMISTRY OF MATERIALS}, year = 2020, } @article{CTT100841548, author = {Masaki Ozeki and Victoria Warne-Lang and Hirofumi Tsukasaki and Yuki Sakai and Naoyuki Katayama and Yoshihiko Okamoto and Masaki Azuma and Shigeo Mori and Koshi Takenaka}, title = {Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles}, journal = {APPLIED PHYSICS EXPRESS}, year = 2020, } @article{CTT100841553, author = {Zhao Pan and Takumi Nishikubo and Yuki Sakai and Takafumi Yamamoto and Shogo Kawaguchi and Masaki Azuma}, title = {Observation of Stabilized Monoclinic Phase as a “Bridge” at the Morphotropic Phase Boundary between Tetragonal Perovskite PbVO3 and Rhombohedral BiFeO3}, journal = {CHEMISTRY OF MATERIALS}, year = 2020, } @article{CTT100841555, author = {Zhehong Liu and Yuki Sakai and Junye Yang and Wenmin Li and Ying Liu and Xubin Ye and Shijun Qin and Jinming Chen and Stefano Agrestini and Kai Chen and Sheng-Chieh Liao and Shu-Chih Haw and Francois Baudelet and Hirofumi Ishii and Takumi Nishikubo and Hayato Ishizaki and Tatsuru Yamamoto and Zhao Pan and Masayuki Fukuda and Kotaro Ohashi and Kana Matsuno and Akihiko Machida and Tetsu Watanuki and Saori I. Kawaguchi and Angel M. Arevalo-Lopez and Changqing Jin and Zhiwei Hu and J. Paul Attfield and Masaki Azuma and Youwen Long}, title = {Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3}, journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY}, year = 2020, } @article{CTT100832565, author = {Hayato Ishizaki and Hajime Yamamoto and Takumi Nishikubo and Yuki Sakai and Shogo Kawaguchi and Keisuke Yokoyama and Yoichi Okimoto and Shin-ya Koshihara and Takafumi Yamamoto and Masaki Azuma}, title = {Robust Giant Tetragonal Distortion Coupled with High-Spin Co3+ in Electron-Doped BiCoO3}, journal = {Inorganic Chemistry}, year = 2019, } @article{CTT100792727, author = {Takahiro Ogata and Yuki Sakai and Hajime Yamamoto and Satyanarayan Patel and Peter Keil and Jurij Koruza and Shogo Kawaguchi and Zhao Pan and Takumi Nishikubo and Jürgen Rödel and Masaki Azuma}, title = {Melting of dxy Orbital Ordering Accompanied by Suppression of Giant Tetragonal Distortion and Insulator-to-Metal Transition in Cr-Substituted PbVO3}, journal = {Chemistry of Materials}, year = 2019, } @article{CTT100779655, author = {Koshi Takenaka and N. Inoue and Y. Mizuno and Y. Okamoto and N. Katayama and Yuki Sakai and Takumi Nishikubo and Masaki Azuma}, title = {Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4}, journal = {APPLIED PHYSICS LETTERS}, year = 2018, } @article{CTT100779651, author = {Hajime Yamamoto and Takashi Imai and Yuki Sakai and Masaki Azuma}, title = {Colossal Negative Thermal Expansion in Electron-Doped PbVO3 Perovskites}, journal = {ANGEWANDTE CHEMIE-INTERNATIONAL}, year = 2018, } @article{CTT100779898, author = {Takumi Nishikubo and Yuki Sakai and Kengo Oka and Masaichiro Mizumaki and Tetsu Watanuki and Akihiko Machida and Naoyuki Maejima and Shigenori Ueda and Takashi Mizokawa and Masaki Azuma}, title = {Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi1-xSbxNiO3}, journal = {Applied physics express}, year = 2018, } @article{CTT100779903, author = {Kei Shigematsu and Takeshi Asakura and Hajime Yamamoto and Keisuke Shimizu and Marin Katsumata and Haruki Shimizu and Yuki Sakai and Hajime Hojo and Ko Mibu and Masaki Azuma}, title = {Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation}, journal = {Applied Physics Letters.}, year = 2018, } @article{CTT100779911, author = {Kosuke Kurushima and Hirofumi Tsukasaki and Takahiro Ogata and Yuki Sakai and Masaki Azuma and Yui Ishii and Shigeo Mori}, title = {Unusual inhomogeneous microstructures in charge glass state of PbCrO3}, journal = {Japanese journal of applied physics}, year = 2018, } @article{CTT100760096, author = {K. Takenaka and T. Shinoda and N. Inoue and Y. Okamoto and N. Katayama and Yuki Sakai and T. Nishikubo and M. Azuma}, title = {Giant negative thermal expansion in Fe-doped layered ruthenate ceramics}, journal = {Applied physics express}, year = 2017, } @article{CTT100737204, author = {Yuki Sakai and Junye Yang and Runze Yu and Hajime Hojo and Ikuya Yamada and Ping Miao and Sanghyun Lee and Shuki Torii and Takashi Kamiyama and Marjana Ležaić and G.Bihlmayer and M. Mizumaki and J.Komiyama and T.Mizokawa and H.Yamamoto and T.Nishikubo and Y.Hattori and K. Oka and Y.Yin and J.Dai and W.Li and S.Ueda and A.Aimi and D.Mori and Y. Inaguma and Z.Hu and T. Uozumi and C.Jin and Y.Long and Masaki Azuma}, title = {A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO3}, journal = {Journal of the American Chemical Society}, year = 2017, } @inproceedings{CTT100910838, author = {酒井雄樹 and Sergey A. Nikolaev and 西久保匠 and 中島宏 and 森茂生 and 町田晃彦 and 綿貫徹 and 沖本洋一 and 松田雅昌 and 東正樹}, title = {ペロブスカイト型酸化物PbCoO3の温度誘起相転移}, booktitle = {}, year = 2024, } @inproceedings{CTT100910836, author = {小池 剛大 and 西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価}, booktitle = {}, year = 2024, } @inproceedings{CTT100910930, author = {酒井雄樹 and Sergey A. Nikolaev and 西久保匠 and 中島宏 and 森茂生 and 町田晃彦 and 綿貫徹 and 沖本洋一 and 松田雅昌 and 東正樹}, title = {ペロブスカイト型酸化物PbCoO3の温度誘起相転移}, booktitle = {}, year = 2024, } @inproceedings{CTT100910835, author = {小池 剛大 and 西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価}, booktitle = {}, year = 2024, } @inproceedings{CTT100910858, author = {Takumi Nishikubo and Yuki Sakai and Masaichiro Mizumaki and Shogo Kawaguchi and Norihiko Oshime and Kento Sugawara and Ayumi Shimada and Kenji Ohwada and Akihiko Machida and Tetsu Watanuki and Kosuke Kurushima and Shigeo Mori and Takashi Miokawa and Masaki Azuma}, title = {Transition-type PbVO3 Based Negative Thermal Expansion Materials}, booktitle = {}, year = 2024, } @inproceedings{CTT100910851, author = {Takumi Nishikubo and Takashi Imai and Yuki Sakai and Masaichiro Mizumaki and Shogo Kawaguchi and Norihiro Oshime and Ayumu Shimada and Kento Sugawara and Kenji Ohwada and Akihiko Machida and Tetsu Watanuki and Kosuke Kurushima and Shigeo Mori and Takashi Mizokawa and Masaki Azuma}, title = {Domain structure observation and design of phase transition-type negative thermal expansion materials}, booktitle = {}, year = 2024, } @inproceedings{CTT100910850, author = {Yuki Sakai and Shiori Kihara and Shogo Wakazaki and Takumi Nishikubo and Masayuki Fukuda and Hena Das and Masaichiro Mizumaki and Ko Mibu and Akihiko Machida and Tetsu Watanuki and Masaki Azuma}, title = {Systematic charge distribution change in perovskite-type Bi0.5Pb0.5MO3 (M = 3d transition metal)}, booktitle = {}, year = 2024, } @inproceedings{CTT100910846, author = {Takumi Nishikubo and Yuki Sakai and Kengo Oka and Masaichiro Mizumaki and Tetsu Watanuki and Takashi Mizokawa and Masaki Azuma}, title = {Systematic charge distribution changes in Bi、Pb-3d transition metal perovskite oxides}, booktitle = {}, year = 2024, } @inproceedings{CTT100910845, author = {Yuki Sakai and Masaki Azuma}, title = {A-site and B-site charge ordering in perovskite-type PbCoO3}, booktitle = {}, year = 2024, } @inproceedings{CTT100910844, author = {Koomok Lee and Hena Das and Yuki Sakai and Takumi Nishikubo and Kei Shigematsu and Daiki Ono and Takehiro Koike and Naomi Kawamura and Masaichiro Mizumaki and Naoki Ishimatsu and Masaki Azuma}, title = {Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3}, booktitle = {}, year = 2024, } @inproceedings{CTT100910843, author = {Koomok Lee and Hena Das and Yuki Sakai and Takumi Nishikubo and Kei Shigematsu and Daiki Ono and Takehiro Koike and Naomi Kawamura and Masaichiro Mizumaki and Naoki Ishimatsu and Masaki Azuma}, title = {Material Design for Low Power Consumption Multiferroic Memory using High Spin Co3+ substituted BiFeO3}, booktitle = {}, year = 2024, } @inproceedings{CTT100910840, author = {西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {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}, booktitle = {}, year = 2024, } @inproceedings{CTT100910931, author = {西久保匠 and 酒井雄樹 and DAS Hena and 東正樹}, title = {ペロブスカイトPbMnO3の電荷秩序状態の解明}, booktitle = {}, year = 2023, } @inproceedings{CTT100910932, author = {西久保 匠 and 酒井 雄樹 and 大和田謙二 and 押目典宏 and 久留島康輔 and 森 茂生 and 東 正樹}, title = {PbVO3ベース負熱膨張物質の立方晶-正方晶相間ドメイン構造の観察}, booktitle = {}, year = 2023, } @inproceedings{CTT100907335, author = {西久保匠 and 今井孝 and 酒井雄樹 and 水牧仁一朗 and 河口彰吾 and 押目典宏 and 島田歩 and 菅原健人 and 大和田謙二 and 町田晃彦 and 綿貫徹 and 久留島康輔 and 森茂生 and 溝川貴司 and 東正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100907332, author = {柴田 勇介 and 吉田 駿之介 and 西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100907328, author = {劉 丘民 and 西久保 匠 and 酒井 雄樹 and Hena Das and 壬生 攻 and 尾上 智子 and 川上 隆輝 and 町田 晃彦 and 綿貫 徹 and 東 正樹}, title = {PbFeO3の圧力誘起相転移}, booktitle = {}, year = 2023, } @inproceedings{CTT100907327, author = {小野 大樹 and 西久保 匠 and 酒井 雄樹 and 重松 圭 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100907326, author = {三宅 潤 and 小池 剛大 and 西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100907322, author = {Qiumin Liu and Hena Das and Takumi Nishikubo and Yuki Sakai and Ko Mibu and Tomoko Onoue and Takateru Kawakami and Tetsu Watanuki and Akihiko Machida and Masaki Azuma}, title = {Phase transition of PbFeO3 under high pressure}, booktitle = {}, year = 2023, } @inproceedings{CTT100907314, author = {高橋 一樹 and 酒井 雄樹 and 西久保 匠 and 東 正樹}, title = {PbTiO3型巨大正方晶歪みを持つ BiCoO3の負熱膨張物質化}, booktitle = {}, year = 2023, } @inproceedings{CTT100907313, author = {西久保 匠 and 今井 孝 and 酒井 雄樹 and 水牧 仁一朗 and 河口 彰吾 and 押目 典宏 and 島田 歩 and 菅原 健人 and 大和田 謙二 and 町田 晃彦 and 綿貫 徹 and 久留島 康輔 and 森 茂生 and 溝川 貴司 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100907306, author = {劉丘民 and 西久保匠 and 酒井雄樹 and Hena Das and 壬生攻 and 尾上智子 and 川上隆輝 and 町田晃彦 and 綿貫徹 and 東正樹}, title = {PbFeO3の圧力誘起相転移}, booktitle = {}, year = 2023, } @inproceedings{CTT100907305, author = {吉田駿之介 and 西久保匠 and 酒井雄樹 and 東正樹}, title = {BiNiO3系負熱膨張材料の動作温度範囲の制御}, booktitle = {}, year = 2023, } @inproceedings{CTT100907298, author = {高橋一樹 and 酒井雄樹 and 久保匠 and 東正樹}, title = {PbTiO3型巨大c/a相BiCoO3の負熱膨張化の試み}, booktitle = {}, year = 2023, } @inproceedings{CTT100887631, author = {大河内寛保 and 西久保匠 and 酒井雄樹 and 東正樹 and 山本隆文}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100887607, author = {小野 大樹 and 西久保 匠 and 酒井 雄樹 and 重松 圭 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100887606, author = {劉 丘民 and 西久保 匠 and 酒井 雄樹 and ヘナ ダス and 壬生 攻 and 尾上 智子 and 川上 隆照 and 町田 晃彦 and 綿貫 徹 and 東 正樹}, title = {PbFeO3の圧力誘起相転移}, booktitle = {}, year = 2023, } @inproceedings{CTT100887604, author = {酒井 雄樹 and 木原 汐里 and 若崎 翔吾 and 西久保 匠 and 福田 真幸 and 水牧 仁一郎 and 東 正樹}, title = {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}, booktitle = {}, year = 2023, } @inproceedings{CTT100910929, author = {酒井 雄樹 and 松野 夏奈 and 西久保 匠 and 東 正樹}, title = {ペロブスカイト型酸化物 PbCr1-xTixO3 の負熱膨張}, booktitle = {}, year = 2023, } @inproceedings{CTT100887609, author = {伊藤 龍寿 and 大見 拓也 and 西久保 匠 and 酒井 雄樹 and 重松 圭 and 東 正樹 and 山本 隆文}, title = {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}, booktitle = {}, year = 2022, } @inproceedings{CTT100887578, author = {Takumi Nishikubo and Takashi Imai and Yuki Sakai and Masaichiro Mizumaki and Shogo Kawaguchi and Norihiro Oshime and Ayumu Shimada and Kento Sugawara and Kenji Ohwada and Akihiko Machida and Tetsu Watanuki and Kosuke Kurushima and Shigeo Mori and Takashi Mizokawa and Masaki Azuma}, title = {Domain Structure Observation and Design of Phase Transition-type Negative Thermal Expansion Materials}, booktitle = {}, year = 2022, } @inproceedings{CTT100887585, author = {小池 剛大 and 東 正樹 and 西久保 匠 and 酒井 雄樹}, title = {PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張}, booktitle = {}, year = 2022, } @inproceedings{CTT100887588, author = {小池 剛大 and 西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張}, booktitle = {}, year = 2022, } @inproceedings{CTT100887590, author = {西久保匠 and 若崎 翔吾 and 山本 樹 and 酒井 雄樹 and DAS Hena and 町田 晃彦 and 綿貫 徹 and 東 正樹}, title = {ペロブスカイト PbMnO3の局所構造と電荷秩序状態の解明}, booktitle = {}, year = 2022, } @inproceedings{CTT100887592, author = {酒井 雄樹 and 西久保 匠 and ダス ヘナ and 東 正樹 and 水牧 仁一郎 and 溝川 貴司 and 町田 晃彦 and 綿貫 徹 and 沖本 洋一}, title = {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}, booktitle = {}, year = 2022, } @inproceedings{CTT100887600, author = {西久保 匠 and 酒井 雄樹 and 東 正樹}, title = {複数メカニズムの共存による負熱膨張特性の強化}, booktitle = {}, year = 2022, } @inproceedings{CTT100887603, author = {西久保 匠 and 若崎 翔吾 and 山本 樹 and 酒井 雄樹 and DAS Hena and 町田 晃彦 and 綿貫 徹 and 東 正樹}, title = {Design and Domain Structure Observation of Phase Transition-type Negative Thermal Expansion Materials}, booktitle = {}, year = 2022, } @inproceedings{CTT100867139, author = {鈴木仁哉 and 西久保匠 and 酒井雄樹 and Pan Zhao and 齋藤寛之 and 東正樹 and 山本隆文}, title = {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}, booktitle = {}, year = 2022, } @inproceedings{CTT100887616, author = {長瀬鉄平 and 西久保匠 and 酒井雄樹 and 重松圭 and 東正樹 and 山本隆文 and 壬生攻 and 南部雄亮 and 池田陽一 and 松田 雅昌}, title = {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}, booktitle = {}, year = 2022, } @inproceedings{CTT100867378, author = {酒井雄樹 and 木原汐里 and 若崎翔吾 and 西久保匠 and 福田真幸 and 水牧仁一郎 and 東正樹}, title = {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}, booktitle = {}, year = 2022, } @inproceedings{CTT100867140, author = {西久保 匠 and 今井 孝 and 酒井 雄樹 and 水牧 仁一朗 and 大和田 謙二 and 町田 晃彦 and 綿貫 徹 and 押目 典宏 and 島田 歩 and 菅原 健人 and 久留島 康輔 and 森 茂生 and 溝川 貴司 and 東 正樹}, title = {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}, booktitle = {}, year = 2021, } @inproceedings{CTT100867376, author = {酒井雄樹 and 西久保匠 and 若崎翔吾 and 木原汐里 and 東正樹}, title = {ペロブスカイト型酸化物 Bi0.5Pb0.5MO3 の電荷分布}, booktitle = {}, year = 2021, } @inproceedings{CTT100867377, author = {酒 井雄 樹 and 松 野 夏 奈 and 西 久 保 匠 and 森 茂 生 and 中 島 宏 and 久 留島 康 輔 and 町 田 晃 彦 and 綿 貫 徹 and 東正 樹}, title = {PbCrO3 の立 方 晶 ― 立方 晶 転 移 に お け る 局 所構 造 の 変 化}, booktitle = {}, year = 2021, } @inproceedings{CTT100867131, author = {東 正樹 and 西久保 匠 and 酒井 雄樹 and 山本 孟 and 岡 研吾}, title = {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}, booktitle = {}, year = 2021, } @inproceedings{CTT100867130, author = {西久保 匠 and 酒井 雄樹 and 水牧 仁一朗 and 今井 孝 and 東 正樹}, title = {巨大な体積変化を伴う負熱膨張物質の設計}, booktitle = {}, year = 2021, } @inproceedings{CTT100867124, author = {Shiori Kihara and Shogo Wakazaki and Yuki Sakai and Takumi Nishikubo and Masaki Azuma}, title = {Charge distribution change in perovskite Bi0.5Pb0.5MO3 (M=3d transition metal)}, booktitle = {}, year = 2021, } @inproceedings{CTT100867116, author = {木原 汐里 and 酒井 雄樹 and 東 正樹 and 西久保 匠 and 若崎 翔吾}, title = {ペロブスカイトBi0.5Pb0.5MO3(M=3d遷移金属)の電荷分布変化}, booktitle = {}, year = 2021, } @inproceedings{CTT100867135, author = {東 正樹 and 岡 研吾 and 山本 孟 and 酒井雄樹}, title = {巨大負熱膨張材料の研究}, booktitle = {}, year = 2021, } @inproceedings{CTT100867136, author = {西久保 匠 and 酒井 雄樹 and Lalitha K.V. and Jürgen Rödel and 東 正樹}, title = {分極・歪みによるBiInO3-BiZn1/2Ti1/2O3の負熱膨張と強弾性の制御}, booktitle = {結晶学会}, year = 2021, } @inproceedings{CTT100786658, author = {重松 圭 and 山本 一理 and 清水 啓佑 and 西久保 匠 and 酒井雄樹 and 東 正樹}, title = {フェリ磁性体四重ペロブスカイト型LnCu3Mn4O12薄膜の電子状態}, booktitle = {}, year = 2018, } @inproceedings{CTT100786660, author = {K. Shigematsu and T. Asakura and H. Yamamoto and K. Shimizu and M. Katsumata and H. Shimizu and Y. Sakai and H. Hojo and K. Mibu and M. Azuma}, title = {Room temperature ferromagnetism in BiFe1−xMnxO3 thin film induced by spin-structure manipulation}, booktitle = {}, year = 2018, } @misc{CTT100887528, author = {東 正樹 and 岡 研吾 and 山本 孟 and 酒井 雄樹}, title = {巨大負熱膨張材料の研究}, year = 2022, } @misc{CTT100792725, author = {東 正樹 and 岡 研吾 and 山本 孟 and 酒井 雄樹}, title = {相転移型巨大負熱膨張物質}, year = 2019, }