Raman measurements and lattice dynamics in the high Tc superconductor YBa2Cu3O7

J. A. Sanjurjo*, E. López-Cruz, R. S. Katiyar, I. Torriani, C. Rettori, D. Davidov, I. Felner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The Raman spectra of the superconducting oxygen-deficient perovskite YBa2Cu3O7 have been measured as a function of temperature in four different kind of samples. The spectra of one of the samples show eleven well resolved peaks. A group theoretical analysis of the basis vectors enables us to obtain a picture for some of the normal modes of vibration. We did not observe any change in the high frequency modes across the superconducting phase transition.

Original languageEnglish
Pages (from-to)505-508
Number of pages4
JournalSolid State Communications
Volume64
Issue number4
DOIs
StatePublished - Oct 1987

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