Temperature dependence of the resistivity tensor in superconducting Bi2Sr2.2Ca0.8 Cu2O8 crystals

S. Martin, A. T. Fiory, R. M. Fleming, L. F. Schneemeyer, J. V. Waszczak

Research output: Contribution to journalArticle

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Abstract

A strongly anisotropic resistivity tensor was measured from Tc=81 to 600 K in crystals of the new high-Tc superconductor Bi2Sr2.2Ca0.8 Cu2O8. The a-b plane anisotropy is ab2, with a and b linear in T. The perpendicular component c10 cm is 105 greater than a or b. Evidence for nonmetallic temperature dependence is found for the c ab resistivity ratio. The data are consistent with the notion of quasiparticle tunneling between planes, but an alternative explanation in terms of weak interplanar coupling by topological defects is also presented.

Original languageEnglish
Pages (from-to)2194-2197
Number of pages4
JournalPhysical Review Letters
Volume60
Issue number21
DOIs
StatePublished - 1 Jan 1988

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