Magnetic relaxation in the vicinity of second magnetization peak in BSCCO crystals

M. Konczykowski; S. Colson; C. J. Van Der Beek; M. V. Indenbom; P. H. Kes; E. Zeldov

doi:10.1016/S0921-4534(99)00675-9

Magnetic relaxation in the vicinity of second magnetization peak in BSCCO crystals

M. Konczykowski
, S. Colson
, C. J. Van Der Beek
, M. V. Indenbom
, P. H. Kes
, E. Zeldov

École Polytechnique

Laboratoire des Solides Irradiés
RAS
Universiteit Leiden
Weizmann Institute of Science Israel

Résultats de recherche: Contribution à un journal › Article de conférence › Revue par des pairs

Résumé

We have used Hall array and magneto-optic techniques for the investigation of magnetic relaxation in clean Bi₂Sr₂CaCu₂O₈ (BSCCO) crystals. The enhancement of the bulk critical current seen as a second peak in the magnetization curves is identified with the discontinuous change of the flux creep energy barrier vs. current relation. We propose a consistent interpretation of the hysteretic magnetization and its relaxation in clean BSCCO crystals, based on the presence of two distinct vortex matter phases, manifesting different electrodynamics. Special attention will be given to the motion of the interface between those phases across the sample.

langue originale	Anglais
Pages (de - à)	219-224
Nombre de pages	6
journal	Physica C: Superconductivity and its Applications
Volume	332
Numéro de publication	1
Les DOIs	https://doi.org/10.1016/S0921-4534(99)00675-9
état	Publié - 1 janv. 2000
Evénement	1st Euroconference on Vortex Matter in Superconductors at Extreme Scales and Conditions - Crete, Greece Durée: 18 sept. 1999 → 24 sept. 1999

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10.1016/S0921-4534(99)00675-9

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title = "Magnetic relaxation in the vicinity of second magnetization peak in BSCCO crystals",

abstract = "We have used Hall array and magneto-optic techniques for the investigation of magnetic relaxation in clean Bi2Sr2CaCu2O8 (BSCCO) crystals. The enhancement of the bulk critical current seen as a second peak in the magnetization curves is identified with the discontinuous change of the flux creep energy barrier vs. current relation. We propose a consistent interpretation of the hysteretic magnetization and its relaxation in clean BSCCO crystals, based on the presence of two distinct vortex matter phases, manifesting different electrodynamics. Special attention will be given to the motion of the interface between those phases across the sample.",

author = "M. Konczykowski and S. Colson and \{Van Der Beek\}, \{C. J.\} and Indenbom, \{M. V.\} and Kes, \{P. H.\} and E. Zeldov",

year = "2000",

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doi = "10.1016/S0921-4534(99)00675-9",

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TY - JOUR

T1 - Magnetic relaxation in the vicinity of second magnetization peak in BSCCO crystals

AU - Konczykowski, M.

AU - Colson, S.

AU - Van Der Beek, C. J.

AU - Indenbom, M. V.

AU - Kes, P. H.

AU - Zeldov, E.

PY - 2000/1/1

Y1 - 2000/1/1

N2 - We have used Hall array and magneto-optic techniques for the investigation of magnetic relaxation in clean Bi2Sr2CaCu2O8 (BSCCO) crystals. The enhancement of the bulk critical current seen as a second peak in the magnetization curves is identified with the discontinuous change of the flux creep energy barrier vs. current relation. We propose a consistent interpretation of the hysteretic magnetization and its relaxation in clean BSCCO crystals, based on the presence of two distinct vortex matter phases, manifesting different electrodynamics. Special attention will be given to the motion of the interface between those phases across the sample.

AB - We have used Hall array and magneto-optic techniques for the investigation of magnetic relaxation in clean Bi2Sr2CaCu2O8 (BSCCO) crystals. The enhancement of the bulk critical current seen as a second peak in the magnetization curves is identified with the discontinuous change of the flux creep energy barrier vs. current relation. We propose a consistent interpretation of the hysteretic magnetization and its relaxation in clean BSCCO crystals, based on the presence of two distinct vortex matter phases, manifesting different electrodynamics. Special attention will be given to the motion of the interface between those phases across the sample.

UR - https://www.scopus.com/pages/publications/0033743198

U2 - 10.1016/S0921-4534(99)00675-9

DO - 10.1016/S0921-4534(99)00675-9

M3 - Conference article

AN - SCOPUS:0033743198

SN - 0921-4534

VL - 332

SP - 219

EP - 224

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - 1

T2 - 1st Euroconference on Vortex Matter in Superconductors at Extreme Scales and Conditions

Y2 - 18 September 1999 through 24 September 1999

ER -

Magnetic relaxation in the vicinity of second magnetization peak in BSCCO crystals

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