Weak Ferromagnetism in a Semiconducting (Ethylenedithiodiselenadithiafulvalenoquinone-1,3-diselenolemethide)2·FeBr4 Salt

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• 作者：Toshiki Hayashi ; Xunwen Xiao ; Hideki Fujiwara ; Toyonari Sugimoto ; Hiroyuki Nakazumi ; Satoru Noguchi ; Hiroko Aruga Katori
• 刊名：Inorganic Chemistry
• 出版年：2007
• 出版时间：October 15, 2007
• 年：2007
• 卷：46
• 期：21
• 页码：8478 - 8480
• 全文大小：148K
• 年卷期：v.46,no.21(October 15, 2007)
• ISSN：1520-510X

文摘

The 2:1 salts of a new bent donor molecule, ethylenedithiodiselenadithiafulvalenoquinone-1,3-diselenolemethide (EDT-DSDTFVODS) and either an FeBr₄^- or a GaBr₄^- ion exhibit semiconducting properties and had small activation energies. The Fe^III dspins of the FeBr₄^- salt are initially subject to a strong antiferromagnetic interaction and afterward exhibited a weak ferromagnetism at 3.8 K with a very small remanent magnetization of ca.4 × 10^-2 _B and a spin-flop near 25 kOe along the intercolumnardirection.