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Magnetoelectricity Enhanced by Electron Redistribution in a Spin Crossover [FeCo] Complex.
Zhang, Xiaopeng; Xu, Wen-Huang; Zheng, Wenwei; Su, Sheng-Qun; Huang, Yu-Bo; Shui, Qirui; Ji, Tianchi; Uematsu, Mikoto; Chen, Qian; Tokunaga, Masashi; Gao, Kaige; Okazawa, Atsushi; Kanegawa, Shinji; Wu, Shu-Qi; Sato, Osamu.
Affiliation
  • Zhang X; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Xu WH; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Zheng W; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Su SQ; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Huang YB; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Shui Q; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Ji T; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Uematsu M; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Chen Q; Institute for Solid State Physics, The University of Tokyo, Kashiwa, 277-8581, Japan.
  • Tokunaga M; Institute for Solid State Physics, The University of Tokyo, Kashiwa, 277-8581, Japan.
  • Gao K; College of Physical Science and Technology, Yangzhou University, Jiangsu, 225009, China.
  • Okazawa A; Department of Electrical Engineering and Bioscience, Waseda University, Okubo 3-4-1, Shinjuku-ku, Tokyo 169-8555, Japan.
  • Kanegawa S; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Wu SQ; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
  • Sato O; Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
J Am Chem Soc ; 145(29): 15647-15651, 2023 Jul 26.
Article in En | MEDLINE | ID: mdl-37462373
ABSTRACT
Molecular-based magnetoelectric materials are among the most promising materials for next-generation magnetoelectric memory devices. However, practical application of existing molecular systems has proven difficult largely because the polarization change is far lower than the practical threshold of the ME memory devices. Herein, we successfully obtained an [FeCo] dinuclear complex that exhibits a magnetic field-induced spin crossover process, resulting in a significant polarization change of 0.45 µC cm-2. Mössbauer spectroscopy and theoretical calculations suggest that the asymmetric structural change, coupled with electron redistribution, leads to the observed polarization change. Our approach provides a new strategy toward rationally enhancing the polarization change.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: J Am Chem Soc Year: 2023 Document type: Article Affiliation country: Japan
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: J Am Chem Soc Year: 2023 Document type: Article Affiliation country: Japan