Relationship between oxygen stoichiometry and crystal structure in YBa2Cu3O6.5+x precursors to high-Tc superconducting materials

E. G. Derouane*, Z. Gabelica, Jean-Luc Bredas, J. M. André, Ph Lambin, A. A. Lucas, J. P. Vigneron

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Possible mechanisms for the oxygen intercalation in the ternary mixed-Cu-valence YBa2Cu3O6.5+x oxide are considered, which account for the observed cell symmetry transformation driven by the oxygen concentration. These mechanisms are consistent with the formation of both single-and double-cell superstructures of ordered oxygen vacancies that have been encountered in crystallographic investigations of the high-Tc superconductor YBa2Cu3O≈7.

Original languageEnglish (US)
Pages (from-to)1061-1068
Number of pages8
JournalSolid State Communications
Volume64
Issue number7
DOIs
StatePublished - Jan 1 1987

ASJC Scopus subject areas

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

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