Pr-substitution effect on superconducting transition temperature of YbBa2Cu3O7-δ

J. C. Ho, C. Y. Wu, Y. X. Tian, Y. J. Tang, X. L. Cheng, X. W. Cao, S. H. Liou

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9 Scopus citations

Abstract

Following a recent report concerning a "nonmagnetic-magnetic transition" of Pr ions in superconducting (RE1-xPrx) Ba2Cu3O7-δ (RE=Y and rare earth) systems in accounting for the deviation from Abrikosov-Gor'kov magnetic pair-breaking theory observed in the systems with relatively small RE3+ radii, this paper reports a study on another system with RE=Yb, which has even smaller ionic radius. The superconducting transition temperature of this system remains practically constant at 92 K for x up to about 0.1 before decreasing with increasing x as to be expected from the Abrikosov-Gor'kov theory.

Original languageEnglish (US)
Pages (from-to)385-387
Number of pages3
JournalSolid State Communications
Volume82
Issue number5
DOIs
StatePublished - May 1992

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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