Onset of Superconductivity in Thin Granular Films of Indium
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概要
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In thin granular films composed of two-dimensionally coupled indium particles, wehave studied how the superconductivity will be influenced by the average particle size.The coupling strength has been changed continuously with an average diameter d ofparticles as constant as possible in a film. For films with #=280A and 224 A,superconducting transition temperature decreases very slowly with increasing sheetresistance 7?.. in the normal state, while for a film with d= 140 A it decreases linearlywith 7?,., indicating that the system changes to a dirty superconductor by reducing d.Critical resistance for the onset of superconductivity will be discussed.
- 社団法人日本物理学会の論文
- 1991-12-15
著者
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NISHIDA Nobuhiko
Department of Physics,University of Tokyo
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OKUMA Satoshi
Department of Physics, Tokyo Metropolitan University
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Nishida N
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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KOYANAGI Hajime
Department of Physics,Faculty of Science,Tokyo Institute of Technology
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Okuma Satoshi
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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Nishida Nobuhiko
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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Koyanagi Hajime
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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