研究論文

• 1 . UltrafaFormation of a Photoinduced Hidden State Driven by a Bond-Order Wave in a Metal-Organic Framework

  AuthorsSamiran Banu, Tatsuya Amano, Takahisa Kato, Kou Takubo, Yoichi Okimoto, Shinya Koshihara, Yohei Kawakami, Hirotake Itoh, Wataru Kosaka, Hitoshi Miyasaka, Shinichiro Iwai, Akira Takahashi, and Tadahiko Ishikawa

  Journal Physical Review Letters

  Volume 137

  pages 046902

  Date 22 July 2026

  DOI doi.org/10.1103/x43y-61c1

• 2 . Elucidating the Transition Kernel and Anharmonic Coupling in the Spin-crossover Process of a [FeIII(qsal)2] CH3OSO3 Complex

  AuthorsSoumyajit Mitra, Dilara Farkhutdinova, Sebastian Mai, Stuart A. Hayes, Yifeng Jiang, Tadahiko Ishikawa, Kazuyuki Takahashi, Leticia González, R. J. Dwayne Miller

  Journal Angew. Chem. Int. Ed.

  Volume

  pages

  Date 1 April 2026

  DOI 10.1002/anie.1079807

• 3 . Terahertz Field Control of Electronic-Ferroelectric Anisotropy at Room Temperature in LuFe2O4

  Authors Hirotake Itoh, Ryusei Minakami, Hongwu Yu, Ryohei Tsuruoka, Tatsuya Amano, Yohei Kawakami, Shin-ya Koshihara, Kosuke Fujiwara, Naoshi Ikeda, Yoichi Okimoto, and Shinichiro Iwai

  Journal Physical Review Letters

  Volume 135

  pages 106504

  Date 4 September 2025

  DOI doi.org/10.1103/fryl-jjnj

• 4 . Polarization Structure Probed by Incident Angle Dependenceof Second Harmonic Generation in Electronic Ferroelectric YbFe2O4

  Authors Xiaopu Wang, Hongwu Yu, Tadahiko Ishikawa, Shinya Koshihara, Naoshi Ikeda, Misato Nasu, Tatsuo Fujii, and Yoichi Okimoto

  Journal Journal of the Physical Society of Japan

  Volume 94

  pages 094802

  Date 4 July 2025

  DOI doi.org/10.7566/JPSJ.94.094802

• 5 . Photocontrol of ferroelectricity in multiferroic BiFeO3 via structural modification coupled with photocarrier

  Authors Kou Takubo, Atsushi Ono, Shunsuke Ueno, Samiran Banu, Hongwu Yu, Kaito En-ya, Ryota Nishimori, Makoto Kuwahara, Toru Asaka, KeiMaeda, Daiki Ono, Keita Ozawa, Takuma Itoh, KeiShigematsu, Masaki Azuma, Tadahiko Ishikawa, Yoichi Okimoto, Masaki Hada, Shin-ya Koshihara

  Journal Communications Materials

  Volume 5

  pages 261

  Date 4 December 2024

  DOI 10.1038/s43246-024-00698-8