Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/59376
Type: Artigo de periódico
Title: Perturbing the superconducting planes in CeCoIn5 by Sn substitution
Author: Daniel, M
Bauer, ED
Han, SW
Booth, CH
Cornelius, AL
Pagliuso, PG
Sarrao, JL
Abstract: In contrast to substitution on the Co or Ce site, Sn substitution has a remarkably strong effect on superconductivity in CeCoIn5-xSnx, with T-c -> 0 beyond only similar to 3.6% Sn. Instead of being randomly distributed on in-plane and out-of-plane In sites, extended x-ray absorption fine structure measurements show the Sn atoms preferentially substitute within the Ce-In plane. This result highlights the importance of the In(1) site to impurity scattering and clearly demonstrates the two-dimensional nature of superconductivity in CeCoIn5.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.95.016406
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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