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|Type:||Artigo de evento|
|Title:||Vortex Matter Behavior Dependent On Magnetic Field Orientation In Bi 2sr2cacu2o 8+δ Crystals|
|Author:||De Almeida R.L.|
De Lima O.F.
|Abstract:||We have studied Bi2212 crystals that present clear signatures of the 3D-2D decoupling transition of Abrikosov vortices along the crystal c-axis. The results are consistent with a model for 2D melting transition, where the Josephson coupling between pancake vortices in different planes are suppressed by thermal fluctuations. The angular dependence with the magnetic field orientation was also measured up to H = 7 T, showing that only the field component parallel to the crystal c-axis is relevant for the 3D-2D decoupling transition. © 2004 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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