HYPERRESISTIVITY TO GLOBAL-SUPERCONDUCTIVITY TRANSITION BY ANNEALING IN QUENCH-CONDENSED PB FILMS

被引：36

作者：

BARBER, RP ^{[1
]}

GLOVER, RE ^{[1
]}

机构：

[1] UNIV MARYLAND,DEPT PHYS & ASTRON,COLLEGE PK,MD 20742

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 10期

关键词：

D O I：

10.1103/PhysRevB.42.6754

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The rapid rise in resistance occurring in barely conducting quench-condensed Pb films cooled through temperatures characteristic of the bulk superconducting transition is found to be strongly current dependent, the resistance increasing rapidly with decreasing current and temperature. Annealing the same film at temperatures below 40 K changes the behavior to that of a conventional superconductor with resistance that drops as the film current and temperature decrease. Experimental evidence suggests this results from a transition from quasiparticle-dominated to Josephson-dominated tunneling. © 1990 The American Physical Society.

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页码：6754 / 6757

页数：4

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