^<63>Cu NMR Study of Superconducting Cu/Nb Multilayer-Film
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概要
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Nuclear spinlattice relaxation time T. of "Cu was meastured by the field cyclingmethod in a Cu / N b multilayer sample, which was prepared by rf-sputtering alternate-ly deposited in each 50 layers of Cu and Nb with thicknesses of 400 A and 245 A. Asthe temperature T is lowerd below the superconducting transition temperatureT.=4.6 K, the spin relaxation rate T. ' initially increases and then rapidly decreases.This behavior indicates the existence of superconducting energy gap 23(0):0.96rncY=2.4k.T. in Cu. Below 0.8 K, the rapid exponential decrease in T. ' is followedby a gradual charige almost proportional to T.
- 社団法人日本物理学会の論文
- 1987-12-15
著者
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ODA Yasukage
Graduate School of Material Science, University of Hyogo
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ZHENG Guo-qing
Department of Physics, Okayama University
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KOHORI Yoh
Department of Physics, Chiba University
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Oda Yasukage
Department of Material Science, Faculty of Science, Himeji Institute of Technology
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Asayama Kunisuke
Department of Material Physics, Faculty of Engineering Science, Osaka University
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Kohori Yoh
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Yoh Kohori
Department Of Material Science Faculty Of Science Himeji Institute Of Technology
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Asayama Kunisuke
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Oda Yasukage
Graduate School Of Material Science University Of Hyogo
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Zheng G‐q
Department Of Physical Science Graduate School Of Engineering Science Osaka University
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Kohori Y
Chiba Univ. Chiba
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AOKI Ryozo
Department of Physics,Faculty of Science,Kyushu University
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WADA Shinji
College of Liberal Arts,Kobe University
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Aoki R
Department Of Electrical Engineering Faculty Of Engineering Osaka University
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Aoki R
Osaka Univ. Suita
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Aoki Ryozo
Osaka University Department Of Electrical Engineering
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Aoki Ryozo
Department Of Electrical Engineering Osaka University
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Wada S
Kobe Univ. Kobe
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Wada S
College Of Liberal Arts Kobe University
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Wada Shinji
College Of Liberal Arts Kobe University
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WADA Shigemi
Department of Electronics,University of Osaka Prefecture
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Zheng Guo-qing
Department Of Physical Science Graduate School Of Engineering Science Osaka University
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Oda Yasukage
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Oda Y
Graduate School Of Material Science University Of Hyogo
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Oda Y
Department Of Material Science Faculty Of Science Himeji Institute Of Technology
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