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Type: Artigo de periódico
Title: Vortex lattice in Bi2Sr2CaCu2O8+delta well above the first-order phase-transition boundary
Author: Torres, JHS
da Silva, RR
Moehlecke, S
Kopelevich, Y
Abstract: Measurements of non-local in-plane resistance originating from transverse vortex-vortex correlations have been performed on a Bi2Sr2CaCu2O8+delta high-T-c superconductor in a magnetic field up to 9 T applied along the crystal c-axis. Our results demonstrate that a rigid vortex lattice does exist over a broad portion of the magnetic field-temperature (H-T) phase diagram, well above the first-order transition (FOT) boundary H-FOT(T). The results also provide evidence for the vortex lattice melting and vortex liquid decoupling phase transitions, occurring above the H-FOT(T). (C) 2002 Elsevier Science Ltd. All rights reserved.
Subject: superconductors
flux pinning and creep
phase transitions
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Solid State Communications. Pergamon-elsevier Science Ltd, v. 125, n. 1, n. 11, n. 16, 2003.
Rights: fechado
Identifier DOI: 10.1016/S0038-1098(02)00629-4
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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