Orbital Effect on FFLO Phase and Energy Dissipation due to Vortex Dynamics in Magnetic-Field-Induced Superconductor \lambda-(BETS)
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概要
- 論文の詳細を見る
Resistance measurements have been performed for a two-dimensional magnetic-field-induced superconductor \lambda-(BETS)<inf>2</inf>FeCl<inf>4</inf>, where BETS denotes bis(ethylenedithio)tetraselenafulvalene. In magnetic fields along the c-axis (parallel to the conducting layers), characteristic dip structures in the interlayer resistance are observed up to 24.2 T, ascribed to the commensurability effect between the Josephson vortex lattice and periodic oscillation of the order parameter of the Fulde and Ferrell, and Larkin and Ovchinnikov (FFLO) phase. The dip structures disappear when the magnetic field is tilted from the layers only by 1°, showing that the FFLO phase is removed by the orbital effect. When the field is nearly parallel to the layers, the resistance in the superconducting state becomes significantly larger than the normal state value, showing the presence of peculiar vortex dynamics.
- 2013-03-15
著者
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TERASHIMA Taichi
National Institute for Materials Science
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UJI Shinya
National Institute for Materials Science
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Kobayashi Hayao
Department Of Chemistry Faculty Of Science Toho University
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Kobayashi Akiko
Department Of Biopharmaceutics Meiji Pharmaceutical University
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Zhou Biao
Department Of Chemistry College Of Humanities And Sciences Nihon University
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Kurita Nobuyuki
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
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Kobayashi Hayao
Department of Humanities and Sciences, Nihon University, Setagaya, Tokyo 156-8550, Japan
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Kobayashi Akiko
Department of Humanities and Sciences, Nihon University, Setagaya, Tokyo 156-8550, Japan
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Konoike Takako
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Yamaguchi Takahide
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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KIMATA Motoi
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Terashima Taichi
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
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Kodama Kouta
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
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Sugii Kaori
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
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Tsuchiya Satoshi
National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan
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