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Type: Artigo de periódico
Title: Anisotropy of the field-induced kinetic energy density in Bi2212
Author: Pena, JP
da Silva, RR
Pureur, P
Abstract: We present an experimental study of the in field kinetic energy density in two Bi2Sr2CaCu2O8 broken vertical bar delta single crystals. The kinetic energy density is determined from magnetization measurements performed above the irreversibility line. Anisotropy effects are observed when an external magnetic field is applied in the direction perpendicular or parallel to the superconducting Cu-O-2 planes. When the held is applied parallel to the c-axis, the most relevant contribution to the kinetic energy comes from the Abrikosov vortices. At low fields, an additional tel related to granularity is also observed. A kink in the kinetic energy density associated to the decoupling of the superconducting layers is identified when the held is applied parallel to the oh planes. (C) 2013 Elsevier B.V. All rights reserved.
Subject: Superconducting kinetic energy
Vortex lattice
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.physb.2013.10.025
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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