Antiferromagnetic Insulating Ground State of Molecular π-d System Λ-(BETS)2FeCl4 (BETS = Bis(ethylenedithio)tetraselenafulvalene): A Theoretical and Experimental Review

DOI Web Site 被引用文献16件 参考文献46件 オープンアクセス
  • Yugo Oshima
    Condensed Molecular Materials Laboratory, RIKEN, Hirosawa 2‐1, Wako, Saitama 351‐0198, Japan
  • Heng‐Bo Cui
    Condensed Molecular Materials Laboratory, RIKEN, Hirosawa 2‐1, Wako, Saitama 351‐0198, Japan
  • Reizo Kato
    Condensed Molecular Materials Laboratory, RIKEN, Hirosawa 2‐1, Wako, Saitama 351‐0198, Japan

書誌事項

公開日
2017-02-24
資源種別
journal article
権利情報
  • https://creativecommons.org/licenses/by/4.0/
DOI
  • 10.3390/magnetochemistry3010010
公開者
MDPI AG

説明

<jats:p>The πd molecular conductor λ‐(BETS)2FeCl4, where BETS is bis(ethylenedithio) tetraselenafulvalene, has attracted considerable interest for the discovery of its field induced superconducting state. A mystery of this system is its antiferromagnetic insulating ground state. The point still under strong debate is whether the d spins in Fe3+ are ordered or not. Here, we review experimental and theoretical studies on the antiferromagnetic insulating phase in λ‐(BETS)2FeCl4 and mention our perspective based on our ESR measurements for λ‐(BETS)2FexGa1−xCl4. Our ESR results indicate that the π‐d interaction in the system is very strong and there is no sign of paramagnetic Fe spins in the antiferromagnetic ground state.</jats:p>

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