Abstract In this paper, the fringe effect on critical current has been studied systematically by measuring the electric transport characteristics of a Au-film system with diffuse fringe structure. It is found experimentally that, when the fringe effect becomes obvious, the film will exhibit strange I-R charac-teristics, in which exist a balance current and a critical current. We find that the critical exponents are related lo the diffuse fringe structure of the Films. The detailed analysis shows that the character- biles result from the thermionic-activating conductive effect in the diffuse fringe film sytem.
Received: 06 August 1996
Revised: 03 March 1997
Accepted manuscript online:
(Equilibrium properties near critical points, critical exponents)
Fund: Project supported by the National Natural Science Foundation of China and by the Natural Science Foundation of Zhejiang Province of China.
Cite this article:
GE HONG-LIANG (葛洪良), ZENG YUE-WU (曾跃武), FENG CHUN-MU (冯春木), YE GAO-XIANG (叶高翔), ZHANG QI-RUI (张其瑞) FRINGE EFFECT ON CRITICAL CURRENT OF A GOLD FILM PERCOLATION SYSTEM 1997 Acta Physica Sinica (Overseas Edition) 6 526
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