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Acta Physica Sinica (Overseas Edition), 1997, Vol. 6(7): 526-530    DOI: 10.1088/1004-423X/6/7/008
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

FRINGE EFFECT ON CRITICAL CURRENT OF A GOLD FILM PERCOLATION SYSTEM

GE HONG-LIANG (葛洪良)a, ZENG YUE-WU (曾跃武)b, FENG CHUN-MU (冯春木)b, YE GAO-XIANG (叶高翔)a, ZHANG QI-RUI (张其瑞)a
a Department of Physics, Zhejiang University, Hangzhou 310027, China; b Central Laboratory, Hangzhou University, Hangzhou 310028, China
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: 
PACS:  73.61.At (Metal and metallic alloys)  
  64.60.F- (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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