期刊
CHEMICAL SOCIETY REVIEWS
卷 29, 期 5, 页码 325-333出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b002095h
关键词
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BETS-based salts (BETS = bis(ethylenedithio)tetraselenafulvalene) incorporating Fe3+ ions are most interesting candidate systems for the observation of interplay of conductivity and magnetism. Indeed, in lambda-(BETS)(2)FeCl4, conduction electrons in the BETS layers do interact with spins localised on the (FeCl4)(-) anions. Systematic studies on (BETS)(2)FexGa1-xCl4-yBry mixed-composition compounds, in which the electronic properties can be finely tuned by the chemical composition, have provided a number of interesting results, including the characterisation of a molecular antiferromagnetic metal, a conductor with an antiferromagnetic metal state at ambient pressure, and an antiferromagnetic superconductor. Unprecedented superconductor-insulator transitions and superconductor-metal transitions have been also observed.
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