Superconducting critical state of Bi2Sr2CaCu2O8: Two-dimensional effects at low temperatures

E. Rodríguez, M. F. Goffman, A. Arribére, F. de la Cruz, L. F. Schneemeyer

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Abstract

The critical current in the c direction of Bi2Sr2CaCu2O8 is shown to increase with temperature in low temperature ZFC measurements. The results are consistent with a loss of the c direction long range phase correlation, induced by the temperature dependent critical current flowing in the ab planes. As a result of this and the loss of the long range correlation induced by thermal disorder, the low temperature electrical resistance of the ZFC critical state is finite at low temperatures, becomes zero and is finite again at higher temperature.

Original languageEnglish
Pages (from-to)2151-2152
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Volume194-196
Issue numberPART 2
DOIs
StatePublished - 2 Feb 1994

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