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Hydrostatic pressure effect on the minimum temperature of a helium‐3 cryostat

 

作者: L. Taka´cs,   J. Taka´cs,   W. M. Reiff,   J. D. Ramsden,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1986）
卷期: Volume 57, issue 10  

页码: 2605-2608

 

ISSN:0034-6748

 

年代: 1986

 

DOI:10.1063/1.1139066

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A simple, efficient helium‐3 cryostat for Mo¨ssbauer spectroscopy based on a closed‐cycle carbon sorption pump is described. An unexpected variation of the minimum available temperature as a function of measurement time is described and explained as a hydrostatic pressure effect connected to the density maximum of liquid helium‐3 at 0.515 K.

 

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