Interface effects in YBCO/(Y-Pr)BCO multilayers, and the dimensionality of high-Tc superconductivity

S. Guha, M. Z. Cieplak, S. Vadlamannati, C. H. Nien, P. Lindenfeld

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Measurements on YBCO/(Y-Pr)BCO trilayers show that the depression of the transition temperature in ultrathin YBCO is accompanied by a decrease in the conductance of the layers adjacent to the interfaces. The lowering of the conductance seems to be primarily the result of charge transfer across the interfaces, and perhaps to some extent also of defects. The intrinsic properties of YBCO seem to change little or not at all as the thickness decreases from bulk down to that of a single unit cell.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalJournal of Superconductivity
Volume7
Issue number1
DOIs
StatePublished - Feb 1994

Keywords

  • dimensionality
  • Interface
  • multilayers
  • YBaCuO transition temperature charge transfer

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