Electric-field-driven vortex lattice-glass transition and history effect in RBa2Cu3O7-y (R=Y,Nd) single crystals
Electric-field-driven vortex lattice-glass transition and history effect in RBa2Cu3O7-y (R=Y,Nd) single crystals
The lattice-glass transition in the solid vortex state is investigated in very clean, naturally twin-free RBa2Cu3O7-?y(R=Y,Nd) single crystals. We demonstrate that this transition is driven by the electric field E in addition to magnetic field and disorder. With increasing sweep rate of the magnetic field dB/dt?~E, the transition field shifts below its equilibrium value. This interesting and unexpected observation is related to the injection of disorder into the vortex lattice from large electric fields at the sample surface. The fast annealing of introduced disorder in the ordered phase results in an unusual time-dependent decay of the irreversible magnetic moment. The correlation of this metastable behavior with path-dependent magnetic history effects is further discussed.
214521-[5pp]
Kupfer, H.
c4e85196-b6df-4b01-b6da-6e8ec1d91d14
Will, A.
375370ed-7513-46c4-9d59-9848183c0be3
Meier-Hirmer, R.
1cbdb4b5-7059-4748-8616-59eb62555679
Wolf, Th.
2019b4da-c646-484a-b4dd-d0c1683434f6
Zhukov, A.A.
75d64070-ea67-4984-ae75-4d5798cd3c61
15 May 2001
Kupfer, H.
c4e85196-b6df-4b01-b6da-6e8ec1d91d14
Will, A.
375370ed-7513-46c4-9d59-9848183c0be3
Meier-Hirmer, R.
1cbdb4b5-7059-4748-8616-59eb62555679
Wolf, Th.
2019b4da-c646-484a-b4dd-d0c1683434f6
Zhukov, A.A.
75d64070-ea67-4984-ae75-4d5798cd3c61
Kupfer, H., Will, A., Meier-Hirmer, R., Wolf, Th. and Zhukov, A.A.
(2001)
Electric-field-driven vortex lattice-glass transition and history effect in RBa2Cu3O7-y (R=Y,Nd) single crystals.
Physical Review B, 63 (21), .
(doi:10.1103/PhysRevB.63.214521).
Abstract
The lattice-glass transition in the solid vortex state is investigated in very clean, naturally twin-free RBa2Cu3O7-?y(R=Y,Nd) single crystals. We demonstrate that this transition is driven by the electric field E in addition to magnetic field and disorder. With increasing sweep rate of the magnetic field dB/dt?~E, the transition field shifts below its equilibrium value. This interesting and unexpected observation is related to the injection of disorder into the vortex lattice from large electric fields at the sample surface. The fast annealing of introduced disorder in the ordered phase results in an unusual time-dependent decay of the irreversible magnetic moment. The correlation of this metastable behavior with path-dependent magnetic history effects is further discussed.
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Published date: 15 May 2001
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Local EPrints ID: 37682
URI: http://eprints.soton.ac.uk/id/eprint/37682
ISSN: 1550-235X
PURE UUID: e3370dd6-eb86-4573-b4a8-4d4064aa2d72
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Date deposited: 25 May 2006
Last modified: 15 Mar 2024 08:01
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Author:
H. Kupfer
Author:
A. Will
Author:
R. Meier-Hirmer
Author:
Th. Wolf
Author:
A.A. Zhukov
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