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Photoswitchable Dynamic Magnetic Relaxation in a Well-Isolated {Fe2Co} Double-Zigzag Chain

Authors

  • Dr. Da-Peng Dong,

    1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
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  • Prof. Tao Liu,

    Corresponding author
    1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
    • State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
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  • Dr. Shinji Kanegawa,

    1. Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga, Fukuoka, 816-8580 (Japan)
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  • Dr. Soonchul Kang,

    1. Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga, Fukuoka, 816-8580 (Japan)
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  • Prof. Osamu Sato,

    Corresponding author
    1. Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga, Fukuoka, 816-8580 (Japan)
    • Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga, Fukuoka, 816-8580 (Japan)
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  • Prof. Cheng He,

    1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
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  • Prof. Chun-Ying Duan

    Corresponding author
    1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
    • State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024 Dalian (China)
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  • This work was partly supported by the NSFC (Grant 21101021, 91122031, 21025102), the Fundamental Research Funds for the Central Universities, China, the Mitsubishi Foundation and Coordination Programming.

Abstract

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Charge-transfer-induced spin transition occurs cooperatively and reversibly in the isolated FeIII2CoII chains of {[Fe(pzTp)(CN)3]2Co(4-styrylpyridine)2}⋅2 H2O ⋅2 CH3OH (1). When 1 is irradiated with 532 nm light, it shows single-chain magnetic behavior with no antiferromagnetic ordering after irradiation (see picture; C gray, N blue, B yellow; LS=low spin, HS=high spin).

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