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Cooperative spin transition and thermally quenched high-spin state in new polymorph of [Fe(qsal)2]I3

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Abstract

Novel polymorph of the ferric spin crossover complex, β-[Fe(qsal)2]I3 [qsalH = N-(8-quinolyl)salicylaldimine], has been prepared and characterized by magnetic susceptibilities and Mössbauer spectra. β polymorph exhibited a cooperative complete spin transition with a thermal hysteresis of 25 K and a tendency to be quenched in the high-spin (HS) state, which is contrastive to a gradual incomplete spin conversion in α polymorph.

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Authors and Affiliations

  1. Department of Chemistry, Graduate School of Science, Kobe University, Kobe, Hyogo, 657-8501, Japan

    Kazuyuki Takahashi

  2. Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba, 277-8581, Japan

    Tetsuya Sato, Hatsumi Mori & Hiroyuki Tajima

  3. Department of Chemistry, Keio University, Yokohama, Kanagawa, 223-8522, Japan

    Yasuaki Einaga

  4. Institute for Materials Chemistry and Engineering, Kyushu University, Kasuga, Fukuoka, 816-8580, Japan

    Osamu Sato

Authors
  1. Kazuyuki Takahashi
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  2. Tetsuya Sato
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  3. Hatsumi Mori
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  4. Hiroyuki Tajima
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  5. Yasuaki Einaga
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  6. Osamu Sato
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Correspondence to Kazuyuki Takahashi.

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Takahashi, K., Sato, T., Mori, H. et al. Cooperative spin transition and thermally quenched high-spin state in new polymorph of [Fe(qsal)2]I3 . Hyperfine Interact 206, 1–5 (2012). https://doi.org/10.1007/s10751-011-0497-z

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  • DOI: https://doi.org/10.1007/s10751-011-0497-z

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