Synthesis and Characterization of Nb/Al_2O_3 Multilayer Superconductors
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概要
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The metal/insulator multilayer superconductor, Nb/Al_2O_3, has been prepared by use of a dual sputtering technique. Sample characterization has been made by X-ray diffraction and electron transport measurements. The superconducting transition temperature T_c and the upper critical fields parallel and perpendicular to the multilayer plane have been examined as a function of Nb and Al_2O_3 sublayer thickness. Anisotropy of the critical fields is analyzed on the basis of the Josephson tunneling model for a quasi-two-dimensional superconductor and the strength of the interlayer Josephson coupling through the Al_2O_3 sublayer is evaluated.
- 社団法人応用物理学会の論文
- 1991-05-15
著者
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FUJISHIRO Hiroyuki
Faculty of Engineering, Iwate University
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IKEBE Manabu
Faculty of Engineering, Iwate University
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Ikebe M
Faculty Of Engineering Iwate University
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Yoshihisa Obi
Institute For Materials Research Tohoku University
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Obi Yoshihisa
Institute For Materials Research
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Kamiguchi Yuzo
Institute For Materials Research Tohoku University:toshiba Research And Development Center
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Fujimori Hiroyasu
Institute For Materials Research
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Ikebe Manabu
Institute For Materials Research Tohoku University : Department Of Electronic Engineering Faculty Of
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Fujimori Hiroyasu
Institute For Material Research Tohoku University
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Obi Yoshihisa
Institute for Materials Research,Tohoku University
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