@article{CTT100930603,
  author = {Wei-tin Chen and Takumi Nishikubo and Yuki Sakai and Hena Das and Masayuki Fukuda and Zhao Pan and Naoki Ishimatsu and Masaichiro Mizumaki and Naomi Kawamura and Saori I. Kawaguchi and Olga Smirnova and Mathew G. Tucker and Tetsu Watanuki and Akihiko Machida and Shigehiro Takajo and Yoshiya Uwatoko and Yuichi Shimakawa and Mikio Takano and Masaki Azuma and J. Paul Attfield},
  title = {Pressure-induced charge amorphisation in BiNiO<sub>3</sub>},
  journal = {Nature Communications},
  year = 2025,
}

@article{CTT100760085,
  author = {L. Zhou and J. H. Dai and Y. S. Chai and H. M. Zhang and S. Dong and H. B. Cao and S. Calder and Y. Y. Yin and X. Wang and X. D. Shen and Z. H. Liu and T. Saito and Y. Shimakawa and H. Hojo and Y. Ikuhara and M. Azuma and Z. W. Hu and Y. Sun and C. Q. Jin and Y. W. Long},
  title = {Realization of Large Electric Polarization and Strong Magnetoelectric Coupling in BiMn<sub>3</sub>Cr<sub>4</sub>O<sub>12</sub>},
  journal = {Advanced Materials},
  year = 2017,
}

@article{CTT100702910,
  author = {Xiao Wang and Yisheng Chai and Long Zhou and Huibo Cao and Clarina-dela Cruz and Junye Yang and Jianhong Dai and Yunyu Yin and Zhen Yuan and Sijia Zhang and Runze Yu and Masaki Azuma and Yuichi Shimakawa and Huimin Zhang and Shuai Dong and Young Sun and Changqing Jin and Youwen Long},
  title = {Observation  of Magnetoelectric  Multiferroicity in a Cubic Perovskite  System: LaMn<sub>3</sub>Cr<sub>4</sub>O<sub>12</sub>},
  journal = {PHISICAL REVIEW LETTERS},
  year = 2015,
}

@article{CTT100725216,
  author = {Masayuki Toyoda and Takashi Saito and Kunihiko Yamauchi and Yuichi Shimakawa and Tamio Oguchi},
  title = {Superexchange interaction in the A-site ordered perovskite YMn3Al4O12},
  journal = {Physical Review B},
  year = 2015,
}

@article{CTT100725223,
  author = {Takashi Saito and Masayuki Toyoda and C. Ritter and S. Zhang and Tamio Oguchi and J. P. Attfield and Yuichi Shimakawa},
  title = {Symmetry-breaking 60 degree-spin order in the A-site-ordered perovskite LaMn3V4O12},
  journal = {Physical Review B},
  year = 2014,
}

@article{CTT100683778,
  author = {Kousuke Nishimura and Ikuya Yamada and Kengo Oka and Yuichi Shimakawa and Masaki Azuma},
  title = {High-pressure synthesis of BaVO3: A new cubic perovskite},
  journal = {JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS},
  year = 2014,
}

@article{CTT100667930,
  author = {Izabela Sosnowska and Masaki Azuma and Radosław Przeniosło and Dariusz Wardecki and Wei-tin Chen and Kengo Oka and Yuichi Shimakawa},
  title = {Crystal and Magnetic Structure in Co-Substituted BiFeO<sub>3</sub>},
  journal = {Inorganic Chemistry},
  year = 2013,
}

@article{CTT100668065,
  author = {V. R. Singh and V. K. Verma and K. Ishigami and G. Shibata and Y.   Yamazaki and A. Fujimori and Yukiharu Takeda and Tetsuo Okane and Yuji Saitoh and Hiroshi Yamagami and Y. Nakamura and M. Azuma and Y. Shimakawa},
  title = {Enhanced ferromagnetic moment in Co-doped BiFeO<sub>3</sub> thin films studied by soft x-ray circular dichroism},
  journal = {JOURNAL OF APPLIED PHYSICS},
  year = 2013,
}

@article{CTT100668094,
  author = {Kengo Oka and Koichiro Nabetani and Chika Sakaguchi and Hayato Seki and Michel  Czapski and Yuichi Shimakawa and Masaki Azuma},
  title = {Tuning negative thermal expansion in Bi<sub>1</sub>-<sub>X</sub>Ln<sub>X</sub>NiO<sub>3</sub>(Ln=La,Nd,Eu,Dy)},
  journal = {APPLIED PHYSICS LETTERS},
  year = 2013,
}

@article{CTT100653507,
  author = {H. Wadati and K. Kato and Y.Wakisaka and T.Sudayama and D.G. Hawthorn and T.Z. Regier and N.Onishi and M. Azuma and Y.Shimakawa and T.Mizokawa and A. Tanaka and G.A. Sawatzky},
  title = {Impact of Mn–O–O–Mn superexchange pathways in a honeycomb lattice Mn oxide with small charge-transfer energy},
  journal = {Solid State Communications},
  year = 2013,
}

@article{CTT100644973,
  author = {S. Okubo and Tomonari Ueda and H. Ohta and Weimin Zhang and T. Sakurai and Nozomi Onishi and Masaki Azuma and Yuichi Shimakawa and Hiroki Nakano and T. Sakai},
  title = {Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance},
  journal = {PHYSICAL REVIEW B},
  year = 2012,
}

@article{CTT100645090,
  author = {Kengo Oka and Tsukasa koyama and Tomoatsu Ozaki and Yuichi Shimakawa and Masaki Azuma and Shigeo Mori},
  title = {Polarization Rotation in the Monoclinic  Perovskite  BiCo1_xFex03},
  journal = {Angewandte Chemie-International Edition},
  year = 2012,
}

@article{CTT100638994,
  author = {久保田 純 and 岡 研吾 and 中村 嘉孝 and 薮田 久人 and 三浦 薫 and 島川 祐一 and 東 正樹},
  title = {Sm置換BiFeO₃の相転移挙動},
  journal = {粉体および粉末冶金},
  year = 2012,
}

@article{CTT100639080,
  author = {N. Onishi and K. Oka and M. Azuma and Y. Shimakawa and Yukitoshi Motome and Toshifumi Taniguchi and M. Hiraishi and M. Miyazaki and Tetsuya Masuda and A. Koda and R. Kadono and Kenji Kojima},
  title = {Magnetic ground state of the frustrated honeycomb lattice antiferromagnet Bi3Mn4O12(NO3)},
  journal = {PHYSICAL REVIEW B},
  year = 2012,
}

@article{CTT100631983,
  author = {Yoshitaka Nakamura and M. Kawai and Masaki Azuma and Makoto Kubota and M. Shimada and Toshiaki Aiba and Yuichi Shimakawa},
  title = {Rhombohedral-tetragonal structural change and enhanced piezoelectric constant in (1-x)BiFeO3-xBiCoO3 thin films},
  journal = {IOP Conf. Series: Materials Science and Engineering},
  year = 2011,
}

@article{CTT100631985,
  author = {Makoto Kubota and Kengo Oka and Yoshitaka Nakamura and Hisato Yabuta and Kaoru Miura and Yuichi Shimakawa and Masaki Azuma},
  title = {Sequential Phase Transitions in Sm Substituted BiFeO3},
  journal = {Jpn. J. Appl. Phys.},
  year = 2011,
}

@article{CTT100632241,
  author = {Sudayama, T and Y. Wakisaka and H.  Wadati and Mizokawa and G. A. Sawatzky and D.G. Hawthorn and T. Z. Regier and Kengo Oka and Masaki Azuma and M. Shimakawa, Y},
  title = {Co-O-O-Co superexchange pathways enhanced by small charge-transfer energy in multiferroic BiCoO(3)},
  journal = {Pysical Review B},
  year = 2011,
}

@article{CTT100631999,
  author = {Masaki Azuma and Wei-tin Chen and Hayato  seki and Michal  Czapski and Smirnova olga and Kengo oka and Masaichiro Mizumaki and Tetsu Watanuki and Naoki Ishimatsu and Naomi Kawamura and Shintaro Ishiwata and Matthew G. Tucker and Yuichi Shimakawa and J. Paul Attfield},
  title = {Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer},
  journal = {NATURE COMMUNICATIONS},
  year = 2011,
}

@article{CTT100631988,
  author = {Yoshitaka Nakamura and Masanori Kawai and Masaki Azuma and Makoto Kubota and M. Shimada and Toshiaki Aiba and Yuichi Shimakawa},
  title = {Enhanced Piezoelectric Constant of (1- x)BiFeO3–xBiCoO3 Thin Films Grown on LaAIO3 Substrate},
  journal = {Jpn. J. Appl. Phys.},
  year = 2011,
}

@article{CTT100634976,
  author = {M Azuma and Masaaki Matsuda and S Olga and Y Kusano and Y Shimakawa and N Kumada and Nozomi Onishi and M  Tokunaga},
  title = {Frustrated S=3/2 honeycomb antiferromagnet Bi3Mn4O12(NO3)},
  journal = {Journal of Physics: Conference Series},
  year = 2011,
}

@article{CTT100617362,
  author = {Kengo Oka and Masaki Azuma and Wei-tin Chen and hitoshi Yusa and Alexei A. Belik and Eiji Takayama-Muromachi and Masaichiro Mizumaki and Naoki Ishimatsu and Nozomu Hiraoka and Masahiko Tsujimoto and Matthew G. Tucker and J. Paul Attfield and Yuichi Shimakawa},
  title = {Pressure-Induced Spin-State Transition in BiCoO3},
  journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY},
  year = 2010,
}

@article{CTT100617476,
  author = {Kengo Oka and Masaki Azuma and Alexei A. Belik and Hiroshi Kojitani and Masaki Akaogi and Mikio Takano and Yuichi Shimakawa},
  title = {Pressure-Induced Transformation of 6H Hexagonal to 3C Perovskite Structure in PbMnO3},
  journal = {Inorganic Chemistry},
  year = 2009,
}

@article{CTT100631614,
  author = {H. Jiang and N. Kumada and Y. Yonesaki and T. Takei and N. Kinomura and M. Yashima and M. Azuma and K. Oka and Y. Shimakawa},
  title = {Hydrothermal Synthesis of a New Double Perovskite-Type Bismuthate, (Ba0.75K0.14H0.11)BiO3•nH2O},
  journal = {Jpn. J. Appl. Phys.},
  year = 2009,
}

@article{CTT100625128,
  author = {K. Nishimura and M. Azuma and Shigeto Hirai and M. Takano and Y. Shimakawa},
  title = {Synthesis and Physical Properties of Double Perovskite Pb2FeReO6,},
  journal = {Inorg. Chem.},
  year = 2009,
}

@article{CTT100627788,
  author = {Mizumaki, M. and N. Ishimatsu and N. Kawamura and M. Azuma and Y. Shimakawa and M. Takano and Takayuki Uozumi},
  title = {Direct observation of the pressure-induced charge redistribution in BiNiO3 by x-ray absorption spectroscopy.},
  journal = {Phys. Rev. B,},
  year = 2009,
}

@article{CTT100631606,
  author = {Y. W. Long and N. Hayashi and T. Saito and M. Azuma and S. Muranaka and Y. Shimakawa},
  title = {Temperature-induced A–B intersite charge transfer in an A-site-ordered LaCu3Fe4O12 perovskite},
  journal = {Nature},
  year = 2009,
}

@article{CTT100631610,
  author = {O. Smirnova and M. Azuma and N. Kumada and Y. Kusano and M. Matsuda and Y. Shimakawa and T. Takei and Y. Yonesaki and N. Kinomura},
  title = {Synthesis, Crystal Structure and Magnetic Properties of Bi3Mn4O12(NO3) Oxynitrate Comprising S = 3/2 Honeycomb Lattice},
  journal = {J. Am. Chem. Soc.},
  year = 2009,
}

@article{CTT100631653,
  author = {Mizokawa, T. and Y. Morita and T. Sudayama and K. Takubo and I. Yamada and M. Azuma and M. Takano and Y. Shimakawa},
  title = {Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A = Ca and Y) controlled by Mott and Zhang-Rice physics.},
  journal = {Phys. Rev. B},
  year = 2009,
}

@article{CTT100631729,
  author = {Long, Y.W. and T. Saito and T. Tohyama and K. Oka and M. Azuma and Y. Shimakawa},
  title = {Intermetallic Charge Transfer in A-Site-Ordered Double Perovskite BiCu3Fe4O12.},
  journal = {Inog. Chem.},
  year = 2009,
}

@article{CTT100633048,
  author = {Kohki Satoh and Masatoshi Hiraishi and Masanori Miyazaki and Satoshi Takeshita and Akihiro Koda and R. Kadono and I. Yamada and K. Oka and M. Azuma and Y. Shimakawa and M. Takano},
  title = {Effect of Zn substitution for Cu on Ca2-xNaxCuO2Cl2 near the hole concentration of 1/8 per Cu.},
  journal = {Physica B-Condensed Matter},
  year = 2009,
}

@article{CTT100617473,
  author = {Kengo Oka and Masaki Azuma and Ikuya Yamada and Soshi Takeshita and Kohki Satoh and Akihiro Koda and Ryosuke Kadono and Mikio Takano and Yuichi Shimakawa},
  title = {Magnetic ground-state of perovskite PbVO3 with large tetragonal distortion},
  journal = {Inorganic Chemistry},
  year = 2008,
}

@article{CTT100617481,
  author = {Kengo Oka and Masaki Azuma and Naoaki Hayashi and Shigetoshi Muranaka and Yasuo Narumi and Koichi Kindo and Masatsune Kato and Yoji Koike and Yuichi Shimakawa and Mikio Takano},
  title = {Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4},
  journal = {Journal of the Physical Society of Japan},
  year = 2008,
}

@article{CTT100625103,
  author = {Hiroshi Shiraki and T. Saito and M. Azuma and Y. Shimakawa},
  title = {Metallic behavior in A-site-ordered perovskites ACu3V4O12 with A = Na+, Ca2+, and Y3+.},
  journal = {J. Phys. Soc. Jpn.},
  year = 2008,
}

@article{CTT100631534,
  author = {S. J. E. Carlsson and M. Azuma and Y. Shimakawa and M. Takano and A. Hewat and J. P. Attfield},
  title = {Neutron powder diffraction study of the crystal and magnetic structures of BiNiO3 at low temperature.},
  journal = {J. Solid State Chem.},
  year = 2008,
}

@article{CTT100630702,
  author = {I. Yamada and K. Takata and N. Hayashi and Shinohara Satoshi and M. Azuma and Shigeo Mori and S. Muranaka and Y. Shimakawa and M. Takano},
  title = {A perovskite containing quadrivalent iron as a charge-disproportionated ferrimagnet.},
  journal = {Angew. Chem. Int. Ed.},
  year = 2008,
}

@article{CTT100631555,
  author = {N.  Ichikawa and M.  Arai and Y. Imai and K. Hagiwara and H.  Sakama and M. Azuma and Y. Shimakawa and M. Takano and Y. Kotaka and M. Yonetani and H. Fujisawa and M. Shimizu and K.  Ishikawa and Y. Cho},
  title = {Multiferroism at Room Temperature in BiFeO3/BiCrO3(111) Artificial Superlattices},
  journal = {Applied Physics Express},
  year = 2008,
}

@article{CTT100631215,
  author = {Y. Shimakawa and D. Kan and M. Kawai and M. Sakai and S. Inoue and M. Azuma and S. Kimura and O. Sakata},
  title = {Direct observation of B-site ordering in multiferroic Bi2NiMnO6 thin film},
  journal = {Jpn. J. Appl. Phys.Part 2},
  year = 2007,
}

@article{CTT100633338,
  author = {岡研吾 and 東正樹 and 鳴海康雄 and 金道浩一 and 林直顕 and 島川祐一 and 高野幹夫},
  title = {三角格子反強磁性体InFe2O4の合成と物性},
  journal = {粉体および粉末冶金},
  year = 2007,
}

@article{CTT100630547,
  author = {K. Takata and I. Yamada and M. Azuma and M. Takano and Y. Shimakawa},
  title = {Magnetoresistance and electronic structure of the half-metallic ferrimagnet BiCu3Mn4O12},
  journal = {Phys. Rev. B},
  year = 2007,
}

@article{CTT100626645,
  author = {I. Yamada and M. Azuma and Y. Shimakawa and M. Takano},
  title = {Single crystal growth of A-site deficient superconductor Ca2-xCuO2Cl2.},
  journal = {Physica C},
  year = 2007,
}

@article{CTT100627801,
  author = {M. Azuma and Hirochika Kanda and A. A. Belik and Y. Shimakawa and M. Takano},
  title = {Magnetic and Structural Properties of BiFe1-xMnxO3},
  journal = {J. Mag. Mag. Mater.},
  year = 2007,
}

@article{CTT100625124,
  author = {H. Shiraki and T. Saito and Takahiro Yamada and M. Tsujimoto and M. Azuma and Hiroki Kurata and Syoji Isoda and M. Takano and Y. Shimakawa},
  title = {Ferromagnetic cuprates CaCu3Ge4O12 and CaCu3Sn4O12 with A-site ordered perovskite structure},
  journal = {Phys. Rev. B},
  year = 2007,
}

@article{CTT100633339,
  author = {河合正徳 and 齊藤高志 and 林直顕 and 東正樹 and 高野幹夫 and 島川祐一},
  title = {高圧法を用いた層状化合物AFe6-xMnxO11 (A=Ba, Sr)の合成},
  journal = {粉体および粉末冶金},
  year = 2007,
}

@article{CTT100633340,
  author = {白木 宏 and 齊藤高志 and 山田高広 and 辻本将彦 and 東 正樹 and 倉田博基 and 磯田正二 and 高野幹夫 and 島川祐一},
  title = {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},
  journal = {粉体および粉末冶金},
  year = 2007,
}

@article{CTT100633342,
  author = {西村浩輔 and 東 正樹 and 高野幹夫 and 島川祐一},
  title = {ダブルペロブスカイトPb2FeReO6の合成と物性},
  journal = {粉体および粉末冶金},
  year = 2007,
}

@article{CTT100630901,
  author = {A.A. Belik and Satoshi Iikubo and Katsuaki Kodama and Naoki  Igawa and Shin-ichi  Shamoto and Seiji Niitaka and M. Azuma and Y. Shimakawa and M. Takano and F. Izumi and E. Takayama-Muromachi},
  title = {Neutron Powder Diffraction Study on the Crystal and Magnetic Structures of BiCoO3},
  journal = {Chem. Mater.},
  year = 2006,
}

@article{CTT100631039,
  author = {Atsunobu Masuno and Mitsutaka Haruta and M. Azuma and H. Kurata and S. Isoda and M. Takano and Y. Shimakawa},
  title = {Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films},
  journal = {Appl. Phys. Lett.},
  year = 2006,
}

@article{CTT100632967,
  author = {M. Azuma and S. Niitaka and A. Belik and S. Ishiwata and T. Saito and K. Takata and I. Yamada and Y. Shimakawa and M. Takano},
  title = {Magnetic Ferroelectrics Bi, Pb-3d Transition Metal Perovskites},
  journal = {Transactions of Materials Research Society of Japan},
  year = 2006,
}

@article{CTT100622346,
  author = {Alexei A. Belik and M. Azuma and T. Saito and Y. Shimakawa and M. Takano},
  title = {Crystallographic Features and Tetragonal Phase Stability of PbVO3, a New Member of PbTiO3 Family},
  journal = {Chem. Mater.},
  year = 2005,
}

@article{CTT100622352,
  author = {M. Azuma and Kazuhide Takata and T. Saito and S. Ishiwata and Y. Shimakawa and M. Takano},
  title = {Designed Ferromagnetic, Ferroelectric Bi2NiMnO6},
  journal = {J. Am. Chem. Soc.},
  year = 2005,
}

@article{CTT100630689,
  author = {Yamada and A.A. Belik and M. Azuma and Harjo S. and T. Kamiyama and Y. Shimakawa and M. Takano},
  title = {Single-Layer Oxychloride Superconductor Ca2-xCuO2Cl2 with A-Site Cation Deficiency},
  journal = {Phys. Rev. B},
  year = 2005,
}

@article{CTT100633337,
  author = {高田和英 and 東正樹 and 島川祐一 and 高野幹夫},
  title = {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},
  journal = {粉体および粉末冶金},
  year = 2005,
}

@inproceedings{CTT100798730,
  author = {森田 洋輔 and 高野 幹夫 and 須田山 貴亮 and 田久保 耕 and 溝川 貴司 and 山田 幾也 and 白木 宏 and 齊藤 高志 and 東 正樹 and 島川 祐一},
  title = {24aPS-78 Aサイトダブルペロブスカイト(Ca,Na)Cu<sub>3V</sub>4O_<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))},
  booktitle = {日本物理学会講演概要集},
  year = 2008,
}

@inproceedings{CTT100798742,
  author = {森田 洋輔 and 須田山 貴亮 and 田久保 耕 and 溝川 貴司 and 山田 幾也 and 白木 宏 and 東 正樹 and 島川 祐一 and 高野 幹夫},
  title = {22aWG-7 Aサイトダブルペロブスカイト(Ca,Y)Cu<sub>3Co</sub>4O_<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)},
  booktitle = {日本物理学会講演概要集},
  year = 2007,
}

@misc{CTT100632641,
  author = {東 正樹 and 島川 祐一 and 水牧仁一朗 and 綿貫 徹},
  title = {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},
  year = 2011,
}

@misc{CTT100633990,
  author = {東正樹 and 岡研吾 and 辻本将彦 and 齊藤高志 and 磯田正二 and 島川祐一 and 高野幹夫 and 新高誠司 and Alexei Belik},
  title = {Bi, Pb-3d遷移金属ペロブスカイトの構造物性研究},
  year = 2007,
}

@misc{CTT100633974,
  author = {東正樹 and 齊藤高志 and 山田幾也 and 島川祐一 and 高野幹夫},
  title = {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},
  year = 2006,
}

@misc{CTT100633653,
  author = {東正樹 and 高田和英 and 齊藤高志 and 山田幾也 and 島川祐一 and 高野幹夫},
  title = {機能性酸化物材料探索の新展開},
  year = 2005,
}