On the magnetic behaviour of superconducting lead discs

A. Van Den Bosch; J. Vansummeren

doi:10.1016/0040-6031(89)85370-5

On the magnetic behaviour of superconducting lead discs

A. Van Den Bosch, J. Vansummeren

Research output › peer-review

Abstract

An apparatus for measuring static magnetic susceptibilities has been used for studying the magnetic behaviour of superconducting samples in gradients of low (≤ 10 mT) magnetic induction fields. Forces on 3 mm diameter thin lead discs at temperatures down to 2.5 K have been measured with a sensitive (1 nN) vacuum microbalance. The interpretation of the data reveals that the three phenomena i) prohibition of flux penetration, ii) Meissner-Ochsenfeld flux expulsion and iii) flux trapping, occurring in lead are similar to those observed in vanadium (ref. 1). In the lead samples, however, saturation effects are revealed.

Original language	English
Pages (from-to)	19-28
Number of pages	10
Journal	Thermochimica Acta
Volume	152
Issue number	1
DOIs	https://doi.org/10.1016/0040-6031(89)85370-5
State	Published - 2 Oct 1989

ASJC Scopus subject areas

Instrumentation
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1016/0040-6031(89)85370-5

Cite this

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title = "On the magnetic behaviour of superconducting lead discs",

abstract = "An apparatus for measuring static magnetic susceptibilities has been used for studying the magnetic behaviour of superconducting samples in gradients of low (≤ 10 mT) magnetic induction fields. Forces on 3 mm diameter thin lead discs at temperatures down to 2.5 K have been measured with a sensitive (1 nN) vacuum microbalance. The interpretation of the data reveals that the three phenomena i) prohibition of flux penetration, ii) Meissner-Ochsenfeld flux expulsion and iii) flux trapping, occurring in lead are similar to those observed in vanadium (ref. 1). In the lead samples, however, saturation effects are revealed.",

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AB - An apparatus for measuring static magnetic susceptibilities has been used for studying the magnetic behaviour of superconducting samples in gradients of low (≤ 10 mT) magnetic induction fields. Forces on 3 mm diameter thin lead discs at temperatures down to 2.5 K have been measured with a sensitive (1 nN) vacuum microbalance. The interpretation of the data reveals that the three phenomena i) prohibition of flux penetration, ii) Meissner-Ochsenfeld flux expulsion and iii) flux trapping, occurring in lead are similar to those observed in vanadium (ref. 1). In the lead samples, however, saturation effects are revealed.

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