Journal of Magnetics

  • 제13권4호
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  • Pages.177-181
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  • 2008
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  • 1226-1750(pISSN)
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  • 2233-6656(eISSN)
한국자기학회 (The Korean Magnetics Society)
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A Simple a.c. Magnetic Susceptometer Using self-inductance Measurement of a Single Coil Mounted on a Cryostat Cold Head

  • 발행 : 2008.12.31
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초록

A very simple a.c. magnetic susceptometer for use in a helium closed cycle cryostat is reported in this paper. This simple setup has only a single bobbin-less copper coil, instead of the primary coil and two secondary coils typically used in mutual-inductance types. The single bobbin-less copper coil is directly mounted on the cryostat cold head. A sample is attached on the inside wall of the copper coil using a thermal contact material and its a.c. magnetic susceptibility is obtained from the measurement of the self-inductance of the sample coil using an LCR meter or an impedance analyzer. Experimental details are described and illustrative measurements on magnetic and superconducting materials as a function of temperature are included. The performances and limitations of this simple a.c. magnetic suceptometer are also discussed.

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참고문헌

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피인용 문헌

  1. Innovative Instrumentation to Measure Magnetic Susceptibility vol.49, pp.9, 2013, https://doi.org/10.1109/TMAG.2013.2259247