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Nb/Al‐AlOx/Nb superconductor detector using a single‐crystal Nb layer

 

作者: Masahiko Kurakado,   Toru Takahashi,   Atsuki Matsumura D Laboratories‐I and Electronics R&D Laboratories,  

 

期刊: Applied Physics Letters  （AIP Available online 1990）
卷期: Volume 57, issue 18  

页码: 1933-1935

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.104016

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Single‐crystal Nb films coated with a thin polycrystalline Nb film were adopted as the bottom layer of Nb/Al‐AlOx/Nb superconducting tunnel junctions. The junctions were applied to detection of x rays from55Fe. The signal charge induced by each radiation was one order of magnitude larger than that from usual junctions and was two orders of magnitude larger than that from semiconductor Si detectors.

 

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