Micromagnetic susceptometer
作者:
Stanley E. Nave,
Paul G. Huray,
期刊:
Review of Scientific Instruments
(AIP Available online 1980)
卷期:
Volume 51,
issue 5
页码: 591-596
ISSN:0034-6748
年代: 1980
DOI:10.1063/1.1136259
出版商: AIP
数据来源: AIP
摘要:
A variable temperature (4.2 K to 300 K) micromagnetic susceptometer has been designed to maximize sensitivity to the magnetic flux produced by small samples. The susceptometer is based upon a superconductive flux sensor which measures the magnetic flux through a set of coils due to a sample magnetized in a uniform field. A minimum measurable volume susceptibility of 7.5 ×10−8(emu) for a 1 microgram sample of curium has been achieved giving an increase in sensitivity of two orders of magnitude over Faraday devices designed for microgram metallic samples.
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