Magnetic penetration depth in single-crystal YBa2Cu3O7-

D. R. Harshman, L. F. Schneemeyer, J. V. Waszczak, G. Aeppli, R. J. Cava, B. Batlogg, L. W. Rupp, E. J. Ansaldo, D. Ll Williams

Research output: Contribution to journalArticlepeer-review

308 Scopus citations


We report the first measurement of the magnetic penetration depth (T,) in single crystals of YBa2Cu3O7- (0.1). Results are consistent with conventional s-wave pairing, and yield penetration depths of ab(0)=141530 and c(0)>7000, parallel and perpendicular to the basal plane, respectively. Comparative data on sintered YBa2Cu3O7 are also shown to be consistent with the single-crystal results. The muon-spin-rotation data, together with specific-heat results, indicate a two-dimensional carrier density of 2D8×1014 carriers cm-2 and a basal-plane effective mass of mab*me10.

Original languageEnglish
Pages (from-to)851-854
Number of pages4
JournalPhysical Review B
Issue number1
StatePublished - 1989


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