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Type: Artigo de periódico
Title: Study Of Paramagnetic Frozen States In Superconducting Nb And Ta Samples
Author: De Lima O.F.
Avila M.A.
Cardoso C.A.
Abstract: Experimental evidence of paramagnetic frozen states (or paramagnetic Meissner effect) for Nb and Ta samples is presented. A surface layer of higher Tc(H), caused by a higher κ shell in Nb and by surface superconductivity in Ta, is the mechanism proposed to explain flux trapping and its compression when cooling the sample.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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