High sensitivity 2 T vibrating sample magnetometer
REVIEW OF SCIENTIFIC INSTRUMENTS(1999)
摘要
A new version of the vibrating sample magnetometer with a 2 T vertical axis superconducting magnet has been developed. The vertical vibration is made by a small superconducting magnet fed with an alternating current exerting a force on a magnet fixed on the sample rod. The latter, which is very light (10-20 g), is centered by two CuBe springs so as to eliminate random frictions. The sensitivity is 2.10(-7) emu. Any temperature between 1.5 and 300 K can be regulated within 0.01 K. The remanent field is about 10(-5) T. (C) 1999 American Institute of Physics. [S0034-6748(99)03807-1].
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关键词
magnetic field,superconducting magnets
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