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Josephson current deviation in small area junctions with double insulating layers

 

作者: Toshikazu Nishino,   Yoshinobu Tarutani,   Ushio Kawabe,  

 

期刊: Journal of Vacuum Science&Technology B: Microelectronics Processing and Phenomena  （AIP Available online 1985）
卷期: Volume 3, issue 1  

页码: 20-24

 

ISSN:0734-211X

 

年代: 1985

 

DOI:10.1116/1.583229

 

出版商: American Vacuum Society

 

关键词: JOSEPHSON JUNCTIONS;FABRICATION;ELECTRIC CONDUCTIVITY;NEODYMIUM;NEODYMIUM OXIDES;LEAD ALLOYS

 

数据来源: AIP

 

摘要:

Fabrication of small‐area Nb/Nb‐oxide/Pb alloy Josephson junctions with areas defined by newly developed double insulating layers is described, and their measured current–voltage characteristics are presented in order to study the deviation in dc Josephson current in these junctions. The deviation in 1.69 μm2junctions is found to be within ±9% of the current’s mean value. This deviation is mainly due to the deviation in junction size.

 

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