^<75>As-NMR Studies on LaFeAsO_<1-x>F_x (x=0.14) under a Pressure of 3GPa(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
^<75>As-nuclear magnetic resonance (NMR) on an iron (Fe)-based superconductor LaFeAsO_<1-x>F_x(x=0.14) was performed under a pressure of 3GPa. Enhancement of the superconducting transition temperature (T_c) was confirmed from the relaxation rate (1/T_1); T_c goes up to 40K by applying pressure up to 3GPa. 1/T_1T, which is temperature independent just above T_c and gives a measure of the density of states (DOS) at the Fermi energy, enhances by applying pressure. These facts suggest that an increase of the DOS leads to the enhancement of T_c. On the other hand, anomalous behavior of 1/T_1T observed at high temperatures is suppressed by applying pressure.
- 社団法人日本物理学会の論文
- 2009-02-15
著者
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FUJIWARA Naoki
Graduate School of Engineering, University of Hyogo
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田中 紘一
Research Reactor Institute Kyoto University
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HOSONO Hideo
ERATO-SORST, JST and Frontier Research Center, Tokyo Institute of Technology
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Matsui Hiroaki
Frontier Research Center Tokyo Institute Of Technology:erato-sort Jst In Frontier Research Center To
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Hirano M
Frontier Research Center Tokyo Institute Of Technology:erato-sorst Jst Frontier Research Center Toky
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Hosono Hideo
Frontier Research Center Tokyo Institute Of Technology:erato-sort Jst In Frontier Research Center To
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Hosono H
Materials And Structures Laboratory Tokyo Institute Of Technology
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KAMIHARA Yoichi
ERATO-SORST, JST, in Frontier Research Center, Tokyo Institute of Technology
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HIRANO Masahiro
ERATO-SORST, JST, in Frontier Research Center, Tokyo Institute of Technology
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Hirano Masahiro
Erato-sorst Japan Science And Technology Agency (jst) In Frontier Research Center Tokyo Institute Of
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Hirano M
Transparent Electro-active Materials Project Erato-sorst Japan Science And Technology Agency C/o Fro
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Hirano Masahiro
Frontier Collaborative Research Center Tokyo Institute Of Technology
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Takahashi Hiroki
Department of Cardiology, Pulmonogy, and Nephrology, Yamagata University School of Medicine
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Hosono Hideo
Tokyo Inst. Technol. Yokohama Jpn
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Hosono Hideo
Tokyo Inst. Technol. Yokohama
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Hirano Masahiro
Erato-sorst Jst In Frontier Research Center Tokyo Institute Of Technology
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OKADA Hironari
Department of Physics, College of Humanities and Sciences, Nihon University
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TATSUMI Kenichiro
Graduate School of Human and Environmental Studies, Kyoto University
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Kobayashi Y
Department Of Physics Division Of Material Science Nagoya University
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田中 紘一
長岡技術科学大学 工学部機械系
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Hosono H
Nagoya Inst. Technology Nagoya
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Hosono Hideo
Erato-sorst Japan Science And Technology Agency (jst) In Frontier Collaborative Research Center (fcr
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Fujiwara Naoki
Graduate School Of Human And Environmental Studies Kyoto University
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Kudo Y
Environment & Analysis Technology Department Technical Support Center Sony Corporation
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Takahashi Hiroki
Department Of Cardiology Pulmonology And Nephrology Yamagata University School Of Medicine
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KUDO Yoshihiro
Sony Corporation Research Center
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Kashimura Yoshiaki
The Institute For Solid State Physics The University Of Tokyo
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Okada Hironari
Department Of Physics College Of Humanities And Sciences Nihon University
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Kamihara Yoichi
Erato-sort Jst In Frontier Research Center Tokyo Institute Of Technology
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Kamihara Yoichi
Erato-sorst Jst In Frontier Research Center Tokyo Institute Of Technology
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Kudo Y
Research Reactor Institute Kyoto University
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Kudo Yoshihiro
Environment & Analysis Technology Department Technical Support Center Sony Corporation
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Hosono Hideo
Erato-sorst Jst Frontier Collaborative Research Center Tokyo Institute Of Technology
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Kobayashi Toshio
The Department Of Internal Medicine
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Hirano Masahiro
Solution-oriented Research For Science And Technology (erato-sorst) Japan Science And Technology Age
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Tatsumi Kenichiro
Graduate School Of Human And Environmental Studies Kyoto University
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Fujiwara Naoki
Graduate School Of Engineering University Of Hyogo
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HANEDA Hajime
Optical and Electronic Materials Unit, National Institute for Materials Science
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Hosono Hideo
Erato-sorst Japan Science And Technology Agency (jst) And Frontier Research Center Tokyo Institute O
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Takahashi Hiroki
Department Of Physics College Of Humanities And Sciences Nihon University
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Hirano Masahiro
Transparent Electro-active Materials Project Erato-sorst Japan Science And Technology Agency
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Matsui Hiroaki
Erato-sorst Japan Science And Technology Agency (jst) And Frontier Research Center Tokyo Institute O
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Kamihara Yoichi
Erato-sorst Japan Science And Technology Agency (jst) And Frontier Research Center Tokyo Institute O
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