Raman spectroscopy of YSr2Cu3O7+δ

H. G. Lee, A. P. Litvinchuk, M. V. Abrashev, M. N. Iliev, S. H. Xu, C. W. Chu

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The Raman spectra of superconducting YSr2Cu3O7.7 (Tc = 60 K) prepared under high pressure in the excess of oxygen, are reported and discussed. The spectra are much richer than those of YBa2Cu3O7-δ which is due to the lower symmetry of atomic sites of the basal plane, as well as to the replacement of part of copper square groups on the Cu1-O chains by carbonate (CO3) groups.

Original languageEnglish
Pages (from-to)1994-1996
Number of pages3
JournalJournal of Physics and Chemistry of Solids
Volume59
Issue number10-12
DOIs
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

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

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