DC susceptibility of type-II superconductors in field-cooled processes

T. Matsushita; E. S. Otabe; T. Matsuno; M. Murakami; K. Kitazawa

doi:10.1016/0921-4534(90)90003-W

DC susceptibility of type-II superconductors in field-cooled processes

T. Matsushita, E. S. Otabe, T. Matsuno, M. Murakami, K. Kitazawa

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

58 Citations (Scopus)

Abstract

The DC susceptibility of oxide superconducting specimens in the field-cooled process has been experimentally found to depend not only on the applied DC magnetic field but also on the size of the specimens. The DC susceptibility is calculated using the critical state model in which the diamagnetism and the flux-pinning effect of superconductors are taken into account. It is shown that the saturated value of the DC susceptibility at sufficiently low temperatures, i.e., the so-called Meissner fraction, decreases with increasing DC field and/or increasing specimen size.

Original language	English
Pages (from-to)	375-382
Number of pages	8
Journal	Physica C: Superconductivity and its applications
Volume	170
Issue number	5-6
DOIs	https://doi.org/10.1016/0921-4534(90)90003-W
Publication status	Published - 1990 Oct 1
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(90)90003-W

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AU - Matsushita, T.

AU - Otabe, E. S.

AU - Matsuno, T.

AU - Murakami, M.

AU - Kitazawa, K.

PY - 1990/10/1

Y1 - 1990/10/1

N2 - The DC susceptibility of oxide superconducting specimens in the field-cooled process has been experimentally found to depend not only on the applied DC magnetic field but also on the size of the specimens. The DC susceptibility is calculated using the critical state model in which the diamagnetism and the flux-pinning effect of superconductors are taken into account. It is shown that the saturated value of the DC susceptibility at sufficiently low temperatures, i.e., the so-called Meissner fraction, decreases with increasing DC field and/or increasing specimen size.

AB - The DC susceptibility of oxide superconducting specimens in the field-cooled process has been experimentally found to depend not only on the applied DC magnetic field but also on the size of the specimens. The DC susceptibility is calculated using the critical state model in which the diamagnetism and the flux-pinning effect of superconductors are taken into account. It is shown that the saturated value of the DC susceptibility at sufficiently low temperatures, i.e., the so-called Meissner fraction, decreases with increasing DC field and/or increasing specimen size.

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DC susceptibility of type-II superconductors in field-cooled processes

Abstract

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