日本金属学会誌

J. Japan Inst. Metals, Vol. 71, No. 11 (2007),
pp. 934-939

Magnetic-Field-Induced Superconductivity in Organic Conductors

Shinya Uji1,2

1Nano System Functionality Center National Institute for Materials Science, Tsukuba 305-0003
2Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba 305-8571

Abstract:

In two dimensional organic conductors based on BETS molecule, where BETS is bis(ethylenedithio)tetraselenafulvalene, superconductivity is induced under very high magnetic field parallel to the conducting layers. We review the overall features of the global magnetic phase diagrams and discuss the mechanism of the field induced superconductivity in terms of the Jaccarino-Peter effect, where the exchange interaction between the conduction electron spins on the BETS molecule layers and the localized magnetic moments in the insulating layers plays a crucial role.


(Received 2007/5/29)

Keywords:

magnetic-field-induced superconductivity, organic conductor, bis(ethylenedithio)tetraselenafulvalene, Jaccarino-Peter effect, exchange interaction, localized magnetic moment


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