Specific Heat and Upper Critical Field of Sc
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概要
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Temperature and magnetic field dependent specific heat of textured Sc<inf>5</inf>Ir<inf>4</inf>Si<inf>10</inf>superconductor was investigated in detail. Based on the fitting of zero-field electronic specific heat by different gap structures as well as the discussion on field-induced specific heat coefficient, Sc<inf>5</inf>Ir<inf>4</inf>Si<inf>10</inf>is proved to be an anisotropic s-wave superconductor with a gap anisotropy, \Delta_{\text{min}}/\Delta_{\text{max}}, of 0.53. The anisotropy of upper critical field suggests the weakly one-dimensional Fermi surface, and the value is consistent with the gap anisotropy result obtained from the specific heat data.
- 2013-07-15
著者
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DING Yi
Department of Biological Sciences & Biotechnology, Tsinghua University
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Tamegai Tsuyoshi
Department Of Applied Physics The University Of Tokyo
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Sun Yue
Department of Applied Physics, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Shi Zhixiang
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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Gu Dongmei
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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Zhuang Jinchen
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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Zhuang Jinchen
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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Ding Yi
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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Sun Yue
Department of Physics, Southeast University, Nanjing 211189, People's Republic of China
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