@article{CTT100930602, author = {Zhao Pan and Sergey A. Nikolaev and Jie Zhang and Maocai Pi and Mengqi Ye and Qiumin Liu and Xubin Ye and Xiao Wang and Takumi Nishikubo and Shogo Kawaguchi and Masaki Azuma and Youwen Long}, title = {Extend the scope of negative thermal expansion in PbTiO3-based perovskites}, journal = {Applied Physics Letters}, year = 2025, } @article{CTT100930601, author = {Hajime Yamamoto and Takumi Nishikubo and Shintaro Kobayashi and Kazuki Takahashi and Masaki Azuma and Shogo Kawaguchi and Tadashi Abukawa}, title = {ZnVO3: an ilmenite-type vanadium oxide hosting robust V-V dimers}, journal = {Dalton Transactions}, year = 2024, } @article{CTT100930597, author = {Zhao Pan and Zhengli Liang and Xiao Wang and Yue-Wen Fang and Xubin Ye and Zhehong Liu and Takumi Nishikubo and Yuki Sakai and Xi Shen and Qiumin Liu and Shogo Kawaguchi and Fei Zhan and Longlong Fan and Yong-Yang Wang and Chen-Yan Ma and Xingxing Jiang and Zheshuai Lin and Richeng Yu and Xianran Xing and Masaki Azuma and Youwen Long}, title = {Mixed anion control of enhanced negative thermal expansion in the oxysulfide of PbTiO3}, journal = {Materials Horizons}, year = 2024, } @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{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{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{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, } @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{CTT100887615, author = {小菅 大輝 and 河口 彰吾 and 別府 孝介 and 細川 三郎 and 東 正樹 and 山本 隆文}, title = {時分割 XRD による SrCrO 3–δ におけるトポケミカル反応の観察}, booktitle = {}, year = 2022, }