Magnetic Susceptibility Study of LaRu_3Si_2
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概要
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We have measured the magnetization of LaRu_3Si_2 to investigate the electronic states in the normal and superconducting states. LaRu_3Si_2 is a typical type II superconductor with the superconducting transition temperature T_c = 6.5 K. We estimated the lower critical field, upper critical field, coherence length, penetration depth and Ginzburg-Landau parameter at 2.0 and 4.2 K. We also derived these values at T = 0 K according to Ginzburg-Landau theory. In the normal state, the intrinsic magnetic susceptibility after subtracting the impurity part depends on temperature. The fact is considered to be due to a high density of states and a narrow band.
- 社団法人日本物理学会の論文
- 2002-08-15
著者
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Gupta L
Tata Inst. Fundamental Research India
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OHNO Takashi
Department of Psychiatry, Tohoku University Graduate School of Medicine
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Gupta L
Tata Institute For Fundamental Research
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KISHIMOTO Yutaka
Department of Physics, Faculty of Engineering, Tokushima University
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GUPTA Laxmi
Tata Institute for Fundamental Research
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GHOSH Goutam
Tata Institute for Fundamental Research
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HIHARA Takehiko
Nagoya Institute of Technology
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SUMIYAMA Kenji
Nagoya Institute of Technology
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Ohno T
Department Of Quantum Materials Science University Of Tokushima
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Kitaoka Y
Osaka Univ. Osaka Jpn
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Sumiyama K
Nagoya Inst. Technol. Nagoya Jpn
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Ohno Takashi
Department Of Agrobioscience Graduate School Of Agriculture Kobe University
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Kishimoto Y
Department Of Physics Faculty Of Engineering Tokushima University
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Gupta LC
Tata Institute for Fundamental Research
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Ghosh G
Tata Institute for Fundamental Research
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