@article{CTT100841547,
  author = {Kei Shigematsu and Haruki Shimizu and Marin Katsumata and Keisuke Shimizu and Hajime Yamamoto and Ko Mibu and Masaki Azuma},
  title = {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},
  journal = {APPLIED PHYSICS EXPRESS},
  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{CTT100820669,
  author = {Blair Lebert and Hajime Yamamoto and Masaki Azuma and Rolf Heid and Satoshi Tsutsui and Hiroshi Uchiyama and Alfred Q.R Baron and Benoit Baptiste and Matteo d'Astuto},
  title = {Phonon anomalies with doping in superconducting oxychlorides Ca<sub>2-x</sub>CuO<sub>2</sub>Cl<sub>2</sub>},
  journal = {},
  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 d<sub>x</sub><sub>y </sub>Orbital Ordering Accompanied by Suppression of Giant Tetragonal Distortion and Insulator-to-Metal Transition in Cr-Substituted PbVO<sub>3</sub>},
  journal = {Chemistry of Materials},
  year = 2019,
}

@article{CTT100792728,
  author = {Keisuke Shimizu and Ryo Kawabe and Hajime Hojo and Haruki Shimizu and Hajime Yamamoto and Marin Katsumata and Kei Shigematsu and Ko Mibu and Yu Kumagai and Fumiyasu Oba and Masaki Azuma},
  title = {Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film},
  journal = {NANO LETT.},
  year = 2019,
}

@article{CTT100772776,
  author = {Hajime Yamamoto and Takahiro Ogata and Satyanarayan Patel and Jurij Koruza and Jürgen Rödel and Atanu Paul and Tanusri Saha-Dasgupta and Yuki Sakai and Mitsuru Itoh and Masaki Azuma},
  title = {Na<sub>1/2</sub>Bi<sub>1/2</sub>VO<sub>3</sub> and K<sub>1/2</sub>Bi<sub>1/2</sub>VO<sub>3</sub>: New Lead-Free Tetragonal Perovskites with Moderate c/a Ratios},
  journal = {Chemistry of Materials},
  year = 2018,
}

@article{CTT100779654,
  author = {Hajime Hojo and Kengo Oka and Keisuke Shimizu and Hajime Yamamoto and Ryo Kawabe and Masak Azuma},
  title = {Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution},
  journal = {ADVANCED MATERIALS},
  year = 2018,
}

@article{CTT100779651,
  author = {Hajime Yamamoto and Takashi Imai and Yuki Sakai and Masaki Azuma},
  title = {Colossal Negative Thermal Expansion in Electron-Doped PbVO<sub>3</sub> Perovskites},
  journal = {ANGEWANDTE CHEMIE-INTERNATIONAL},
  year = 2018,
}

@article{CTT100779660,
  author = {Zhao Pan and Xingxing Jiang and Jun Chen and Lei Hu and Hajime Yamamoto and Linxing Zhang and Longlong Fan and Xi'an Fan and Yawei Li and Guangqiang Li and Yang Ren and Zheshuai Lin and Masaki Azuma and Xianran Xing},
  title = {Large spontaneous polarization in polar perovskites of PbTiO<sub>3</sub>-Bi(Zn<sub>1</sub><sub>/</sub><sub>2</sub>Ti<sub>1</sub><sub>/</sub><sub>2</sub>)O-<sub>3</sub>},
  journal = {Inorganic Chemistry Frontiers},
  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 BiFe<sub>1</sub><sub>-</sub><sub>x</sub>Mn<sub>x</sub>O<sub>3</sub> thin film induced by spin-structure manipulation},
  journal = {Applied Physics Letters.},
  year = 2018,
}

@article{CTT100760090,
  author = {H. Yamamoto and Y. Sakai and K. Shigematsu and T. Aoyama and T. Kimura and M. Azuma},
  title = {Reorientation of the Magnetic Easy Plane in a Co-Substituted BiFeO<sub>3</sub> Single Crystal},
  journal = {Inorganic Chemistry},
  year = 2017,
}

@article{CTT100760181,
  author = {Z. Pan and J. Chen and X. X. Jiang and L. Hu and R. Z. Yu and H. Yamamoto and T. Ogata and Y. Hattori and F. M. Guo and X. A. Fan and Y. W. Li and G. Q. Li and H. Z. Gu and Y. Ren and Z. S. Lin and M. Azuma and X. R. Xing},
  title = {Colossal Volume Contraction in Strong Polar Perovskites of Pb(Ti,V)O<sub>3</sub>},
  journal = {Journal of the American Chemical Society},
  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 PbCoO<sub>3</sub>},
  journal = {Journal of the American Chemical Society},
  year = 2017,
}

@article{CTT100760300,
  author = {H.Hojo and R.Kawabe and K.Shimizu and H. Yamamoto and K.Mibu and K.Samanta and T.Saha-Dasgupta and M.Azuma},
  title = {Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe<sub>1</sub>-<sub>x</sub>Co<sub>x</sub>O<sub>3</sub> Thin Films},
  journal = {Advanced materials},
  year = 2017,
}

@article{CTT100760298,
  author = {N. Kumada and A. Nakamura and Akira Miura and T. Takei and M. Azuma and H. Yamamoto and E. Magome and C. Moriyoshi and Y. Kuroiwa},
  title = {Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO<sub>4</sub>},
  journal = {Journal Of Solid State Chemistry},
  year = 2017,
}

@article{CTT100737196,
  author = {Hajime Hojo and Ryo Kawabe and Keisuke Shimizu and Hajime Yamamoto and Ko Mibu and Kartik Samanta and Tanusri Saha‐Dasgupta and Masaki  Azuma},
  title = {Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe<sub>1</sub>− <sub>x</sub>Co<sub>x</sub>O<sub>3</sub> Thin Films},
  journal = {Advanced Materials},
  year = 2016,
}

@article{CTT100737191,
  author = {Nobuhiro Kumada and Ayumi Nakamura and Akira Miura and Takahiro Takei and Masaki Azuma and Hajime Yamamoto and Eisuke Magome and Chikako Moriyoshi and Yoshihiro Kuroiwa},
  title = {Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO 4},
  journal = {Journal of Solid State Chemistry},
  year = 2016,
}

@article{CTT100737193,
  author = {Zhao Pan and Jun Chen and Runze Yu and Hajime  Yamamoto and Yangchun Rong and Lei Hu and Qiang Li and Kun Lin and Li You and Kun  Zhao and Masaki Azuma},
  title = {Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi (Zn0. 5Ti0. 5) O3-BiFeO3},
  journal = {Inorganic Chemistry},
  year = 2016,
}

@article{CTT100711343,
  author = {Runze Yu and Narumi Matsuda and Ken Tominaga and Keisuke Shimizu and Hajime Hojo and Yuki Sakai and Hajime Yamamoto and Kengo Oka and Masaki Azuma},
  title = {High-Temperature Monoclinic Cc Phase with Reduced c/a Ratio in Bi-based Perovskite Compound Bi<sub>2</sub>ZnTi<sub>1</sub>−<sub>x</sub>Mn<sub>x</sub>O<sub>6</sub>},
  journal = {Inorganic Chemistry},
  year = 2016,
}

@article{CTT100711340,
  author = {Hajime Yamamoto and Takumi Kihara and Kengo Oka and Tokunaga Masashi and Ko Mibu and Masaki Azuma},
  title = {Spin Structure Change in Co-Substituted BiFeO<sub>3 </sub>},
  journal = {Journal of the Physical Society of Japan},
  year = 2016,
}

@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,
}

@inproceedings{CTT100786651,
  author = {Haruki Shimizu and Keisuke Shimizu and Hajime Yamamoto and Hajime Hojo and Kei Shigematsu and Masaki Azuma},
  title = {Stable polarization reversal in third elements substituted  multiferroic BiFe0.9Co0.1O3 thin films},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100786652,
  author = {Keisuke Shimizu and Ryo Kawabe and Hajime Yamamoto and Hajime Hojo and Kei Shigematsu and Masaki Azuma},
  title = {Direct observation of magnetization reversal by polarization switching in multiferroic Co-substituted BiFeO3 thin film},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100786648,
  author = {清水陽樹 and 清水啓佑 and 山本孟 and 北條元 and 重松圭 and 東正樹},
  title = {マルチフェロイックBiFe0.9Fe0.1O3薄膜への第3元素置換},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100786646,
  author = {浅倉 武志 and 山本 孟 and 清水 啓佑 and 重松 圭 and 北條 元 and 壬生 攻 and 東 正樹},
  title = {BiFe1-xMn xO3のスピン構造変化},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100786645,
  author = {浅倉武志 and 山本孟 and 清水啓佑 and 重松圭 and 北條元 and 壬生攻 and 東正樹},
  title = {BiFe1-xMn xO3のスピン構造変化},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100782048,
  author = {M. Azuma and H. Hojo and R. Kawabe and K. Shimizu and H. Yamamoto and K. Mibu and K. Samanta and T. Saha-Dasgupta},
  title = {Room temperature ferromagnetism in Co substituted BiFeO<sub>3</sub> induced by spin structure change},
  booktitle = {},
  year = 2017,
}

@misc{CTT100792729,
  author = {東 正樹 and 山本 孟},
  title = {巨大負熱膨張への挑戦  電子ドープ強誘電体PbVO<sub>3</sub>},
  year = 2019,
}

@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,
}

@misc{CTT100792356,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  year = 2018,
}

@misc{CTT100792517,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  year = 2018,
}

@misc{CTT100792578,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  year = 2018,
}

@misc{CTT100792479,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  year = 2018,
}

@misc{CTT100865176,
  author = {東正樹 and PAN ZHAO  and 山本孟 and Jurgen Rodel and 酒井　雄樹　},
  title = {圧電体},
  howpublished = {公開特許},
  year = 2021,
  month  = {},
  note   = {特願2020-044500(2020/03/13), 特開2021-143114(2021/09/24)}
}




@phdthesis{CTT100792356,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  school = {東京工業大学},
  year = 2018,
}

@phdthesis{CTT100792517,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  school = {東京工業大学},
  year = 2018,
}

@phdthesis{CTT100792578,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  school = {東京工業大学},
  year = 2018,
}

@phdthesis{CTT100792479,
  author = {Hajime Yamamoto},
  title = {Electronic configuration control of 3d transition metal in perovskite oxides for tuning physical properties and structural distortion},
  school = {東京工業大学},
  year = 2018,
}