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1983•Acta Physica SinicaOpen access

THE PROXIMITY EFFECT BETWEEN A NONSIMPLE METAL WITH-U CENTERS AND A BCS SUPERCONDUCTOR (I)

Liyuan Zhang, 北京大学物理系

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Abstract

By using McMillan's method, the superconducting proximity effect between a nonsim-ple metal thin film with negative U centers and a thin film of BCS superconductor is analyzed theoretically. It is shown that the superconductivity of this kind of sandwich can be enhanced by this proximity effect. In order to raise Tc, it is desirable to investigate this kind of superconducting materials consisting of S-U multilayers.

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What this paper is about

By using McMillan's method, the superconducting proximity effect between a nonsim-ple metal thin film with negative U centers and a thin film of BCS superconductor is analyzed theoretically. It is shown that the superconductivity of this kind of sandwich can be enhanced by this proximity effect. In order to raise Tc, it is desirable to investigate this kind of superconducting materials consisting of S-U multilayers.

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Available abstract

By using McMillan's method, the superconducting proximity effect between a nonsim-ple metal thin film with negative U centers and a thin film of BCS superconductor is analyzed theoretically. It is shown that the superconductivity of this kind of sandwich can be enhanced by this proximity effect. In order to raise Tc, it is desirable to investigate this kind of superconducting materials consisting of S-U multilayers.

Key concepts: Superconductivity, Proximity effect (electron beam lithography), Condensed matter physics, Materials science, Thin film, Metal, BCS theory, Physics

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