A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics
The fishtail magnetization observed in many type II superconductors has been investigated since the earliest nineties and associated with different phase transitions and dynamic crossovers in complex vortex matter. In systems without a sharp order-disorder phase transition, the fishtail has been rel...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214534_v508_n_p31_PerezDaroca http://hdl.handle.net/20.500.12110/paper_09214534_v508_n_p31_PerezDaroca |
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paper:paper_09214534_v508_n_p31_PerezDaroca2023-06-08T15:50:46Z A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics Pérez Daroca, Diego Raúl Pasquini, Gabriela 74.25.Uv YBCO Fishtail magnetization History effects Peak Effect Vortex creep regimes Creep Magnetization Single crystals Yttrium barium copper oxides 74.25.Uv YBCO Creep regime Dynamic crossover History effects Order disorder phase transitions Peak effects Type II superconductors Vortex dynamics Vortex flow The fishtail magnetization observed in many type II superconductors has been investigated since the earliest nineties and associated with different phase transitions and dynamic crossovers in complex vortex matter. In systems without a sharp order-disorder phase transition, the fishtail has been related with a crossover from elastic to plastic vortex creep regimes. In this paper we perform a critical revision of this accepted picture. We show that, in slightly underdoped YBa2Cu3O7-δ single crystals, there is a clear correlation between the fishtail magnetization and the Peak Effect observed in ac experiments with the associated history effects. We propose that both features are originated in the same dynamic crossover, between two plastic creep regimes. The proposed picture can also apply to other system, as those belonging to same families of iron-based pnictides. © 2014 Elsevier B.V. All rights reserved. Fil:Pérez Daroca, D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pasquini, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2015 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214534_v508_n_p31_PerezDaroca http://hdl.handle.net/20.500.12110/paper_09214534_v508_n_p31_PerezDaroca |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
74.25.Uv YBCO Fishtail magnetization History effects Peak Effect Vortex creep regimes Creep Magnetization Single crystals Yttrium barium copper oxides 74.25.Uv YBCO Creep regime Dynamic crossover History effects Order disorder phase transitions Peak effects Type II superconductors Vortex dynamics Vortex flow |
spellingShingle |
74.25.Uv YBCO Fishtail magnetization History effects Peak Effect Vortex creep regimes Creep Magnetization Single crystals Yttrium barium copper oxides 74.25.Uv YBCO Creep regime Dynamic crossover History effects Order disorder phase transitions Peak effects Type II superconductors Vortex dynamics Vortex flow Pérez Daroca, Diego Raúl Pasquini, Gabriela A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
topic_facet |
74.25.Uv YBCO Fishtail magnetization History effects Peak Effect Vortex creep regimes Creep Magnetization Single crystals Yttrium barium copper oxides 74.25.Uv YBCO Creep regime Dynamic crossover History effects Order disorder phase transitions Peak effects Type II superconductors Vortex dynamics Vortex flow |
description |
The fishtail magnetization observed in many type II superconductors has been investigated since the earliest nineties and associated with different phase transitions and dynamic crossovers in complex vortex matter. In systems without a sharp order-disorder phase transition, the fishtail has been related with a crossover from elastic to plastic vortex creep regimes. In this paper we perform a critical revision of this accepted picture. We show that, in slightly underdoped YBa2Cu3O7-δ single crystals, there is a clear correlation between the fishtail magnetization and the Peak Effect observed in ac experiments with the associated history effects. We propose that both features are originated in the same dynamic crossover, between two plastic creep regimes. The proposed picture can also apply to other system, as those belonging to same families of iron-based pnictides. © 2014 Elsevier B.V. All rights reserved. |
author |
Pérez Daroca, Diego Raúl Pasquini, Gabriela |
author_facet |
Pérez Daroca, Diego Raúl Pasquini, Gabriela |
author_sort |
Pérez Daroca, Diego Raúl |
title |
A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
title_short |
A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
title_full |
A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
title_fullStr |
A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
title_full_unstemmed |
A revision of the fishtail effect in YBa2Cu3O7-δ crystals and its connection with vortex dynamics |
title_sort |
revision of the fishtail effect in yba2cu3o7-δ crystals and its connection with vortex dynamics |
publishDate |
2015 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214534_v508_n_p31_PerezDaroca http://hdl.handle.net/20.500.12110/paper_09214534_v508_n_p31_PerezDaroca |
work_keys_str_mv |
AT perezdarocadiegoraul arevisionofthefishtaileffectinyba2cu3o7dcrystalsanditsconnectionwithvortexdynamics AT pasquinigabriela arevisionofthefishtaileffectinyba2cu3o7dcrystalsanditsconnectionwithvortexdynamics AT perezdarocadiegoraul revisionofthefishtaileffectinyba2cu3o7dcrystalsanditsconnectionwithvortexdynamics AT pasquinigabriela revisionofthefishtaileffectinyba2cu3o7dcrystalsanditsconnectionwithvortexdynamics |
_version_ |
1768546451932053504 |