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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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Published in: | Physical review letters 1991-07, Vol.67 (2), p.271-274 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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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) |
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ISSN: | 0031-9007 1079-7114 |
DOI: | 10.1103/PhysRevLett.67.271 |