Measurement of very low resistivity for a rod-shaped superconductor

H. Nakane; T. Watanabe; H. Kojima; J. Akimitsu; S. Yoshizawa

doi:10.1016/0921-4534(91)91888-B

Measurement of very low resistivity for a rod-shaped superconductor

H. Nakane, T. Watanabe, H. Kojima, J. Akimitsu, S. Yoshizawa

Research output: Contribution to journal › Article › peer-review

Abstract

An effective method for the measurement of the resistivity (ρ > and magnetic susceptibility (X) of a circular rod-shaped superconductor, in which X is estimated by substituting the magnetic penetration depth (λ) into a formula after obtaining from the difference in the impedance between a solenoid coil with a sample and an identical one without a sample, is proposed. It was shown that, by this method (SRPM method), ρ and λ were precisely measured and it is possible to measure very low resistivity in comparison with conventional dc method.

Original language	English
Pages (from-to)	1329-1330
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4534(91)91888-B
Publication status	Published - Dec 1 1991
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(91)91888-B

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AU - Nakane, H.

AU - Watanabe, T.

AU - Kojima, H.

AU - Akimitsu, J.

AU - Yoshizawa, S.

PY - 1991/12/1

Y1 - 1991/12/1

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AB - An effective method for the measurement of the resistivity (ρ > and magnetic susceptibility (X) of a circular rod-shaped superconductor, in which X is estimated by substituting the magnetic penetration depth (λ) into a formula after obtaining from the difference in the impedance between a solenoid coil with a sample and an identical one without a sample, is proposed. It was shown that, by this method (SRPM method), ρ and λ were precisely measured and it is possible to measure very low resistivity in comparison with conventional dc method.

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Measurement of very low resistivity for a rod-shaped superconductor

Abstract

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