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Abstract:

We report evidence that the ac driven solid vortex lattice in YBCO single crystals reorganizes and accesses to robust configurations with different effective pinning potential wells arising in response to different system histories. The curvature of the pinning wells was determined by measuring the real ac penetration depth in the linear regime with a sensitive ac susceptometer. The stability of the different static configurations without assistance of macroscopic forces was also investigated. We find that they have distinct characteristic relaxation times which may be related to elastic or plastic creep processes. © 2005 The American Physical Society.

Registro:

Documento: Artículo
Título:Thermal annealing of the torn vortex lattice in YBa 2Cu 3O 7 crystals
Autor:Pasquini, G.; Bekeris, V.
Filiación:Laboratorio de Bajas Temperaturas, Departamento de Física, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:barium derivative; copper derivative; oxygen derivative; yttrium; article; crystal; crystal structure; elasticity; measurement; parameter; superconductor; temperature dependence; thermal analysis; vortex motion
Año:2005
Volumen:71
Número:1
DOI: http://dx.doi.org/10.1103/PhysRevB.71.014510
Título revista:Physical Review B - Condensed Matter and Materials Physics
Título revista abreviado:Phys. Rev. B Condens. Matter Mater. Phys.
ISSN:10980121
CODEN:PRBMD
CAS:yttrium, 7440-65-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v71_n1_p_Pasquini

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Citas:

---------- APA ----------
Pasquini, G. & Bekeris, V. (2005) . Thermal annealing of the torn vortex lattice in YBa 2Cu 3O 7 crystals. Physical Review B - Condensed Matter and Materials Physics, 71(1).
http://dx.doi.org/10.1103/PhysRevB.71.014510
---------- CHICAGO ----------
Pasquini, G., Bekeris, V. "Thermal annealing of the torn vortex lattice in YBa 2Cu 3O 7 crystals" . Physical Review B - Condensed Matter and Materials Physics 71, no. 1 (2005).
http://dx.doi.org/10.1103/PhysRevB.71.014510
---------- MLA ----------
Pasquini, G., Bekeris, V. "Thermal annealing of the torn vortex lattice in YBa 2Cu 3O 7 crystals" . Physical Review B - Condensed Matter and Materials Physics, vol. 71, no. 1, 2005.
http://dx.doi.org/10.1103/PhysRevB.71.014510
---------- VANCOUVER ----------
Pasquini, G., Bekeris, V. Thermal annealing of the torn vortex lattice in YBa 2Cu 3O 7 crystals. Phys. Rev. B Condens. Matter Mater. Phys. 2005;71(1).
http://dx.doi.org/10.1103/PhysRevB.71.014510