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Magnetic Relaxation of Single-Molecule Magnets in an External Magnetic Field: An Ising Dimer of a Terbium(III)–Phthalocyaninate Triple-Decker Complex

Authors

  • Dr. Keiichi Katoh,

    Corresponding author
    1. Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578 (Japan), Fax: (+81) 22-795-6548
    • Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578 (Japan), Fax: (+81) 22-795-6548
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  • Prof. Takashi Kajiwara,

    1. Department of Chemistry, Faculty of Science, Nara Women's University, Nishi-Machi, Kita-Uoya, Nara 565-0871 (Japan)
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  • Prof. Motohiro Nakano,

    1. Department of Applied Chemistry, Graduate School of Engineering, 2–1 Yamadaoka, Suita, Osaka 565-0871 (Japan)
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  • Prof. Yasuhiro Nakazawa,

    1. Department of Chemistry, Graduate School of Science, 1-1 Machikaneyama-Cho, Toyonaka, Osaka 560-0043 (Japan)
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  • Prof. Wolfgang Wernsdorfer,

    1. Laboratory Louis Nèel, CNRS, BP 166, 38042, Grenoble Cedex 9 (France)
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  • Prof. Naoto Ishikawa,

    1. Department of Chemistry, Graduate School of Science, 1-1 Machikaneyama-Cho, Toyonaka, Osaka 560-0043 (Japan)
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  • Prof. Brian K. Breedlove,

    1. Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578 (Japan), Fax: (+81) 22-795-6548
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  • Prof. Masahiro Yamashita

    Corresponding author
    1. Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578 (Japan), Fax: (+81) 22-795-6548
    • Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578 (Japan), Fax: (+81) 22-795-6548
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Abstract

original image

A single magnet in a triple decker! TbIII–phthalocyaninate triple-decker 1, which has a center of symmetry, showed two magnetic relaxation processes in the low-temperature region in the presence of a direct current (dc) magnetic field. These results suggest that the single-molecule magnet/magnetic properties of 1 undergo a significant transition in a dc magnetic field.

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