Ginzburg-Landau analysis of first-order transitions of elastically strained superconducting tin whiskers

A recently developed Ginzburg-Landau-type equation has been used to analyze measurements of the effect of stress on first-order superconducting transitions of tin whiskers. Assumptions were made as to the temperature dependence of the effective penetration depth and the validity of simple similarity...

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Bibliographic Details
Published in:Journal of low temperature physics 1983-01, Vol.53 (3-4), p.375-404
Main Authors: ROTHBERG-BIBBY, B. D, FINK, H. J, MCLACHLAN, D. S, NABARRO, F. R. N
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals, alloys and compounds (a15, 001c15, laves phases, chevrel phases, borocarbides, etc.)
Metals, semimetals and alloys
Occurrence, potential candidates
Physics
Specific materials
Superconducting materials (excluding high-tc compounds)
Superconductivity
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Summary:A recently developed Ginzburg-Landau-type equation has been used to analyze measurements of the effect of stress on first-order superconducting transitions of tin whiskers. Assumptions were made as to the temperature dependence of the effective penetration depth and the validity of simple similarity. The analysis is in terms of three parametes of bulk tin. The critical temperature was measured directly at each stress. The other two parameters, namely the zero-temperature values of the critical field and the effective penetrationn depth, were computed at each stress by an optimization procedure.
ISSN:0022-2291
1573-7357
DOI:10.1007/BF00682485