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High sensitivity vibrating reed magnetometer

 

作者: W. Roos,   K. A. Hempel,   C. Voigt,   H. Dederichs,   R. Schippan,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1980）
卷期: Volume 51, issue 5  

页码: 612-613

 

ISSN:0034-6748

 

年代: 1980

 

DOI:10.1063/1.1136264

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A high sensitivity vibrating reed magnetometer useful for measurements on very small ferromagnetic particles is described. The reed is made of gold wire (18 &mgr;m in diameter, 10 mm long). The mechanical vibrations of the reed are converted directly to an ac voltage by a piezoelectric ceramic. Using a lock‐in amplifier magnetic moments as small as 10−9Acm2can be detected.

 

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