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Critical magnetic fields in the superconducting state of K3C60

The temperature dependence of the lower and upper critical fields in superconducting K3C60 was measured. From the measurements, the penetration depth (lambda = 2400 A) and the superconducting coherence length (xi = 26 A) were evaluated. The parameters are in agreement with a superconducting state fo...

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Bibliographic Details
Published in:Physical review letters 1991-07, Vol.67 (2), p.271-274
Main Authors: HOLCZER, K, KLEIN, O, GRÜNER, G, THOMPSON, J. D, DIEDERICH, F, WHETTEN, R. L
Format: Article
Language:English
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Summary:The temperature dependence of the lower and upper critical fields in superconducting K3C60 was measured. From the measurements, the penetration depth (lambda = 2400 A) and the superconducting coherence length (xi = 26 A) were evaluated. The parameters are in agreement with a superconducting state formed by a narrow band. (Author)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.67.271