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Simple method for measuring conductance changes to one part in 106at MHz frequencies

 

作者: K. Kanazawa,   J. Schoenes,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1976）
卷期: Volume 47, issue 1  

页码: 160-161

 

ISSN:0034-6748

 

年代: 1976

 

DOI:10.1063/1.1134475

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A phase lock technique for the measurement of small conductance changes at MHz frequencies is described. The method requires a stable Q meter having an analog output proportional to the Q and a lock‐in detector. The sensitivity is excellent, with changes as small as one part in 106having been easily observed.

 

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