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New features in the vortex phase diagram of YBa2Cu3O7- delta

New features in the vortex phase diagram of YBa2Cu3O7- delta
New features in the vortex phase diagram of YBa2Cu3O7- delta
Magnetic and transport measurements have been performed in high quality YBa2Cu3O7- delta single crystals. We demonstrate for the first time that the magnetization peak line in the phase diagram of YBa2Cu3O7- delta , Hp(T) exhibits an impressive similarity with the equivalent line for Bi2Sr2CaCu2O8. Our results show not only a similar temperature dependence but also an almost identical response to oxygen doping and a correlation to the multicritical point. At high temperatures we observe a previously unreported splitting of the magnetization peak.
2121-2124
Deligiannis, K.
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de Groot, P.A.J.
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Oussena, M.
6f73ee0e-91d9-4de7-8664-652fe5c548c8
Pinfold, S.
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Langan, R.
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Gagnon, R.
a45ce1df-0d8e-49c8-a86e-faeddd7b426a
Taillefer, L.
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Deligiannis, K.
d435ff0e-26e2-4656-94d3-2f588348efd9
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Oussena, M.
6f73ee0e-91d9-4de7-8664-652fe5c548c8
Pinfold, S.
44df5198-e1cb-41af-97c9-a1bb201420c5
Langan, R.
8ad74381-f131-4533-99a7-045adcc15b9e
Gagnon, R.
a45ce1df-0d8e-49c8-a86e-faeddd7b426a
Taillefer, L.
f034a4d8-8435-4448-a2e7-bebf79590f75

Deligiannis, K., de Groot, P.A.J., Oussena, M., Pinfold, S., Langan, R., Gagnon, R. and Taillefer, L. (1997) New features in the vortex phase diagram of YBa2Cu3O7- delta. Physical Review Letters, 79 (11), 2121-2124. (doi:10.1103/PhysRevLett.79.2121).

Record type: Article

Abstract

Magnetic and transport measurements have been performed in high quality YBa2Cu3O7- delta single crystals. We demonstrate for the first time that the magnetization peak line in the phase diagram of YBa2Cu3O7- delta , Hp(T) exhibits an impressive similarity with the equivalent line for Bi2Sr2CaCu2O8. Our results show not only a similar temperature dependence but also an almost identical response to oxygen doping and a correlation to the multicritical point. At high temperatures we observe a previously unreported splitting of the magnetization peak.

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Published date: 1997

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Local EPrints ID: 14743
URI: http://eprints.soton.ac.uk/id/eprint/14743
PURE UUID: 785194ba-1edc-4909-816f-7167401adf0e

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Date deposited: 01 Mar 2005
Last modified: 25 Nov 2019 19:32

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