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History effects and phase diagram near the lower critical point in YBa2Cu3O7 single crystals

History effects and phase diagram near the lower critical point in YBa2Cu3O7 single crystals
History effects and phase diagram near the lower critical point in YBa2Cu3O7 single crystals
Using a sensitive torque magnetometer we have studied magnetization curves for untwinned overdoped YBa2Cu3O7 single crystals in fields of up to 28 T. We demonstrate the existence of history effects below the lower critical point and provide a full demarcation of the Bragg-glass phase. A pronounced symmetry is observed in the behavior of the phase lines, irreversible magnetization, and value of the magnetization jump near both critical points.
0031-9007
Zhukov, A.A.
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de Groot, P.A.J.
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Kokkaliaris, S.
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di Nicolo, E.
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Jansen, A.G.M.
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Mossang, E.
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Martinez, G.
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Wyder, P.
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Wolf, T.
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Küpfer, H.
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Asaoka, H.
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Gagnon, R.
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Taillefer, L.
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Zhukov, A.A.
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de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Kokkaliaris, S.
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di Nicolo, E.
d24362d8-08ed-4163-a872-695012b3459d
Jansen, A.G.M.
2012ee27-aa29-40c1-a2a5-198653cbe99e
Mossang, E.
666f58a1-42b8-424f-a88b-45cec21b9fbb
Martinez, G.
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Wyder, P.
e8b9cb73-0478-456e-9e01-32090cf36158
Wolf, T.
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Küpfer, H.
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Asaoka, H.
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Gagnon, R.
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Taillefer, L.
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Zhukov, A.A., de Groot, P.A.J., Kokkaliaris, S., di Nicolo, E., Jansen, A.G.M., Mossang, E., Martinez, G., Wyder, P., Wolf, T., Küpfer, H., Asaoka, H., Gagnon, R. and Taillefer, L. (2001) History effects and phase diagram near the lower critical point in YBa2Cu3O7 single crystals. Physical Review Letters, 87 (1), [017006]. (doi:10.1103/PhysRevLett.87.017006).

Record type: Article

Abstract

Using a sensitive torque magnetometer we have studied magnetization curves for untwinned overdoped YBa2Cu3O7 single crystals in fields of up to 28 T. We demonstrate the existence of history effects below the lower critical point and provide a full demarcation of the Bragg-glass phase. A pronounced symmetry is observed in the behavior of the phase lines, irreversible magnetization, and value of the magnetization jump near both critical points.

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Published date: July 2001

Identifiers

Local EPrints ID: 14751
URI: http://eprints.soton.ac.uk/id/eprint/14751
ISSN: 0031-9007
PURE UUID: dd55ffb4-a05a-41d8-9bc0-a43e099ed886

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Date deposited: 04 Mar 2005
Last modified: 11 Apr 2022 18:00

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Contributors

Author: A.A. Zhukov
Author: P.A.J. de Groot
Author: S. Kokkaliaris
Author: E. di Nicolo
Author: A.G.M. Jansen
Author: E. Mossang
Author: G. Martinez
Author: P. Wyder
Author: T. Wolf
Author: H. Küpfer
Author: H. Asaoka
Author: R. Gagnon
Author: L. Taillefer

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