@article{CTT100930595,
  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 = {High-spin C⁢o<sup>3+</sup> as a trigger of weak ferromagnetism in Co-substituted BiFe⁢O<sub>3</sub>},
  journal = {Physical Review B},
  year = 2025,
}

@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{CTT100930596,
  author = {Tatsuya Yamaguchi and Mizuki Furo and Yuki Sakai and Takumi Nishikubo and Hajime Hojo and Masaki Azuma and Kengo Oka and Daisuke Mori and Yoshiyuki Inaguma and Kento Yamamoto and Jan Kuneš and Masaichiro Mizumaki and Takashi Mizokawa and Atsushi Hariki},
  title = {Mechanism of intermetallic charge transfer and bond disproportionation in BiNiO<sub>3</sub> and PbNiO<sub>3</sub> revealed by hard x-ray photoemission spectroscopy},
  journal = {Physical Review B},
  year = 2024,
}

@article{CTT100849155,
  author = {Naoki Wada and Masaichiro Mizumaki and Yoshiki Seno and Yuta Kimura and Koji Amezawa and Masato Okada and Ichiro Akai and Toru Aonishi},
  title = {Performance of Region-Based Markov Random Field with XY Spins},
  journal = {Journal of the Physical Society of Japan},
  year = 2021,
}

@article{CTT100849160,
  author = {Naoya Mamada and Masaichiro Mizumaki and Ichiro Akai and Toru Aonishi},
  title = {Obtaining Underlying Parameters from Magnetic Domain Patterns with Machine Learning},
  journal = {Journal of the Physical Society of Japan},
  year = 2021,
}

@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)PbVO<sub>3</sub>–xBiCoO<sub>3</sub> Solid Solutions},
  journal = {CHEMISTRY OF MATERIALS},
  year = 2020,
}

@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 Bi<sub>1</sub><sub>-</sub><sub>x</sub>Sb<sub>x</sub>NiO<sub>3</sub>},
  journal = {Applied physics express},
  year = 2018,
}

@article{CTT100760072,
  author = {M. Azuma and Y. Sakai and T. Nishikubo and M. Mizumaki and T. Watanuki and T. Mizokawa and K. Oka and H. Hojo and M. Naka},
  title = {Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites},
  journal = {Dalton Transactions},
  year = 2018,
}

@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 PbCoO<sub>3</sub>},
  journal = {Journal of the American Chemical Society},
  year = 2017,
}

@article{CTT100737179,
  author = {Nakano Kiho and Oka Kengo and Watanuki Tetsu and Mizumaki Masaichiro and Machida  Akihiko and Agui Akane and Kim  Hyunjeong and Komiyama Jun and Mizokawa Takashi and Nishikubo Takumi and Masaki Azuma},
  title = {Glassy Distribution of Bi3+/Bi5+ in Bi1–x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer},
  journal = {Chemistry of Materials},
  year = 2016,
}

@article{CTT100702814,
  author = {Runze Yu and Hajime Hojo and Tetsu Watanuki and Masaichiro Mizumaki and Takashi Mizokawa and Kengo Oka and Hyunjeong  Kim and Akihiko Machida and Kouji Sakaki and Yumiko Nakamura and Aguin Akane and Daisuke Mori and Yoshiyuki Inaguma and Martin Schlipf and Konstantin  Z. Rushchanskii and Marjana Lezaic and Masaaki Matsuda and Jie Ma and Stuart Calder and Masahiko Isobe and Yuichi Ikuhara and Masaki Azuma},
  title = {Melting of Pb Charge Glass and Simultaneous Pb−Cr Charge Transfer in PbCrO<sub>3 </sub> as the Origin of Volume Collapse},
  journal = {Journal of the American Chemical Society},
  year = 2015,
}

@article{CTT100702911,
  author = {N. Ishimatsu and T. Watanabe and K. Oka and M. Azuma and M. Mizumaki and K. Nitta and T. Ina and N. Kawamura},
  title = {Differences in local structure around Co and Fe of the BiCo<sub>1</sub>−<sub>x</sub> Fe<sub>x</sub> O<sub>3</sub> system determined by x-ray absorption fine structure},
  journal = {PHYSICAL REVIEW B},
  year = 2015,
}

@article{CTT100702817,
  author = {K. Nabetani and Y. Muramatsu and K. Oka and Kiho Nakano and H. Hojo and M. Mizumaki and A. Agui and Y.  Higo and N. Hayashi and M. Takano and M. Azuma},
  title = {Suppression of temperature hysteresis in negative thermal expansion compound BiNi1− x Fe x O3 and zero-thermal expansion composite},
  journal = {APPLIED PHYSICS LETTERS},
  year = 2015,
}

@article{CTT100725235,
  author = {Hitoshi Fujii and Masayuki Toyoda and Hiroyoshi Momida and Masaichiro Mizumaki and Shigeru Kimura and Tamio Oguchi},
  title = {Ab initio study of electronic, magnetic, and spectroscopic properties in A- and B-site-ordered perovskite CaCu3Fe2Sb2O12},
  journal = {Physical Review B},
  year = 2014,
}

@article{CTT100667804,
  author = {Kengo Oka and Masaichiro Mizumaki and Chika Sakaguchi and Alexandra  Sinclair and Clemens  Ritter and J. Paul Attfield and Masaki Azuma},
  title = {Intermetallic charge-transfer transition in Bi<sub>1</sub>−<sub>x</sub>La<sub>x</sub>NiO<sub>3</sub> as the origin of the colossal negative thermal expansion},
  journal = {PHYSICAL REVIEW B},
  year = 2013,
}

@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{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{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,
}

@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{CTT100849175,
  author = {侭⽥直也 and ⽔牧仁⼀朗 and ⾚井⼀郎 and 青西亨},
  title = {磁性体薄膜上の磁区パターンのシミュレーションと素材パラメータの逆解析},
  booktitle = {},
  year = 2021,
}

@inproceedings{CTT100829953,
  author = {谷本寛樹 and 水牧仁一朗 and 妹尾 与志木 and 赤井 一郎 and 青西亨},
  title = {リチウムイオン二次電池の2D-XASイメージの非負値行列因子分解},
  booktitle = {信学技報},
  year = 2020,
}

@misc{CTT100868592,
  author = {青西 亨 and 谷本 寛樹 and 徐 宏坤 and 水牧 仁一朗 and 妹尾 与志木 and 内和田 純平 and 山上 遼 and 熊添 博之 and 岩満 一功 and 木村 勇太 and 雨澤 浩史 and 赤井 一郎},
  title = {非負値行列因子分解による2次元X線吸収スペクトルデータの解析},
  year = 2022,
}

@misc{CTT100652207,
  author = {Masaki Azuma and Masaichiro Mizumaki and Toru Watanuki},
  title = {Colossal negative thermal expansion in BiNiO₃ induced by intermetallic charge transfer},
  year = 2012,
}

@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,
}