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Differences Between ac and dc Determinations of Germanium Thermometer Resistances

 

作者: C. A. Swenson,   P. C. F. Wolfendale,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1973）
卷期: Volume 44, issue 3  

页码: 339-341

 

ISSN:0034-6748

 

年代: 1973

 

DOI:10.1063/1.1686127

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The resistances of several germanium thermometers are found to differ for ac and dc measurements. At 300 K, these differences are frequency independent from roughly 5 to 103Hz. The ac resistances always are smaller, and the approximate temperature differences (Tdc−Tac) vary from 100 mk at 77 K to 0.2 mK below 17 K.

 

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