Pressure-Induced Heavy-Fermion Superconductivity in Antiferromagnet CeIrSi_3 without Inversion Symmetry(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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We report the discovery of pressure-induced superconductivity in an antiferromagnet CeIrSi_3, which lacks inversion symmetry in the tetragonal crystal structure. The Neel temperature T_N=5.0K at ambient pressure decreases monotonically with increasing pressure, and becomes zero at about 2.5GPa. Superconductivity appears in a wide pressure region from 1.8 GPa to about 3.5 GPa, with a relatively large superconduting transition temperature T_<sc>=1.6K and a large upper critical field H_<c2>(0)=11.1T at 2.5 GPa, indicating heavy-fermion superconductivity.
- 社団法人日本物理学会の論文
- 2006-04-15
著者
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YAMAMOTO Etsuji
Advanced Science Research Center, Japan Atomic Energy Research Institute
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MATSUDA Tatsuma
Advanced Science Research Center, Japan Atomic Energy Research Institute
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HAGA Yoshinori
Advanced Science Research Center, Japan Atomic Energy Research Institute
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SETTAI Rikio
Graduate School of Science, Osaka University
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ONUKI Yoshichika
Graduate School of Science, Osaka University
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TAKEUCHI Tetsuya
Low Temperature Center, Osaka University
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SHISHIDO Hiroaki
Graduate School of Science, Osaka University
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YAMADA Tsutomu
Graduate School of Science, Osaka University
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THAMIZHAVEL Arumugam
Graduate School of Science, Osaka University
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OKUDA Yusuke
Graduate School of Science, Osaka University
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Okada Yasuaki
Graduate School Of Science Osaka University
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Oda Yasukage
Gradnate School Of Science Osaka University
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Onuki Yoshichika
Institute Of Materials Science The University Of Tsukuba
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Thamizhavel Arumugam
Department Of Physics Osaka University
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Haga Yoshinori
Advanced Science Research Center Japan Atomic Energy Research Institute
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Yasuda Takashi
Graduate School Of Science Osaka University
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Yamada Tsutomu
Graduate School Of Science Osaka University
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Yamamoto Etsuji
Advanced Science Research Center Japan Atomic Energy Agency
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SUGITANI Ichiro
Graduate School of Science, Osaka University
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Shishido Hiroaki
Graduate School Of Science Osaka University
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Takeuchi Tetsuya
Low Temperature Center Osaka University
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Onuki Yoshichika
Graduate School Of Science Osaka University
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Sugitani Ichiro
Graduate School Of Science Osaka University
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Shiozawa Hidetsugu
Department Of Physics Tokyo Metropolitan University
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Matsuda Tatsuma
Advanced Science Research Center Japan Atomic Energy Agency
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Sato Hideyuki
Graduate School Of Science Tokyo Metropolitan University
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Okuda Yusuke
Gradnate School Of Science Osaka University
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MATSUDA Tatsuma
Advanced Science Research Center, Japan Atomic Energy Agency
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MATSUDA Tatsuma
Advance Science Research Center, Japan Atomic Energy Agency
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HAGA Yoshinori
Advance Science Research Center, Japan Atomic Energy Agency
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ONUKI Yoshichika
Graduate School of Science, Osaka University:Advanced Science Research Center, Japan Atomic Energy Agency
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Yamada Tsutomu
Graduate School of Engineering, Yokohama National University
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