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Spin Enhancement by Grinding of Cu-TANC Coordination Polymer Crystals Showing d–π Interactions

Authors

  • Prof. Makoto Tadokoro,

    Corresponding author
    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
    • Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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  • Masaharu Nakamura,

    1. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto-cho, Sumiyoshi-ku, Osaka 558-8585 (Japan)
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  • Takehiro Anai,

    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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  • Takumi Shinoda,

    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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  • Akio Yamagata,

    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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  • Yu Kawabe,

    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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  • Kazunobu Sato,

    1. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto-cho, Sumiyoshi-ku, Osaka 558-8585 (Japan)
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  • Prof. Daisuke Shiomi,

    1. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto-cho, Sumiyoshi-ku, Osaka 558-8585 (Japan)
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  • Prof. Takeji Takui,

    1. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto-cho, Sumiyoshi-ku, Osaka 558-8585 (Japan)
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  • Dr. Kyosuke Isoda

    1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601 (Japan), Fax: (+81) 3-5261-4631
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Abstract

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Bump ′n′ grind: A novel method for enhancing the ESR spin intensity by crystal grinding is proposed. Spin enhancement is observed (see picture) for the mortar-ground powder of the coordination polymer crystal {[CuI(TANC)I]}n. The spin intensity enhancement is likely due to the increased formation of spin-active species that are formed from crystal defects and crystal transformation.

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