Critical state of the weakly coupled two-dimensional superconductor Bi2Sr2CaCu2O8

E. Rodríguez, M. F. Goffman, A. Arribére, F. De La Cruz, Lynn Schneemeyer

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Abstract

Transport measurements show that the critical current in the c direction, Jcc of Bi2Sr2CaCu2O8 single crystals increases with temperature for low temperature zero field cooled (ZFC) measurements. As a consequence, the c direction electrical resistance of the ZFC critical state, at a given dc current, is finite, goes to zero with increasing temperature, and becomes finite again at higher temperatures. The results are consistent with a loss of the c axis long range correlation induced by the critical current flowing in the ab planes, Jcab, and an increase of that correlation with temperature, as a consequence of the corresponding decrease of Jcab.

Original languageEnglish
Pages (from-to)3375-3378
Number of pages4
JournalPhysical Review Letters
Volume71
Issue number20
DOIs
StatePublished - 1 Jan 1993

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critical current
electrical resistance
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Rodríguez, E. ; Goffman, M. F. ; Arribére, A. ; De La Cruz, F. ; Schneemeyer, Lynn. / Critical state of the weakly coupled two-dimensional superconductor Bi2Sr2CaCu2O8. In: Physical Review Letters. 1993 ; Vol. 71, No. 20. pp. 3375-3378.
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Critical state of the weakly coupled two-dimensional superconductor Bi2Sr2CaCu2O8. / Rodríguez, E.; Goffman, M. F.; Arribére, A.; De La Cruz, F.; Schneemeyer, Lynn.

In: Physical Review Letters, Vol. 71, No. 20, 01.01.1993, p. 3375-3378.

Research output: Contribution to journalArticle

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AU - Rodríguez, E.

AU - Goffman, M. F.

AU - Arribére, A.

AU - De La Cruz, F.

AU - Schneemeyer, Lynn

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AB - Transport measurements show that the critical current in the c direction, Jcc of Bi2Sr2CaCu2O8 single crystals increases with temperature for low temperature zero field cooled (ZFC) measurements. As a consequence, the c direction electrical resistance of the ZFC critical state, at a given dc current, is finite, goes to zero with increasing temperature, and becomes finite again at higher temperatures. The results are consistent with a loss of the c axis long range correlation induced by the critical current flowing in the ab planes, Jcab, and an increase of that correlation with temperature, as a consequence of the corresponding decrease of Jcab.

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