Anisotropic electronic Raman scattering in untwinned YBa2Cu3O7-

F. Slakey, S. L. Cooper, M. V. Klein, J. P. Rice, D. M. Ginsberg

Research output: Contribution to journalArticlepeer-review

Abstract

Raman scattering results from an untwinned domain of a pure-phase crystal of the YBa2Cu3O7- superconductor are presented. The room-temperature spectrum in the polarization geometry parallel to the Cu(1)-O(1) chains shows significantly more spectral weight due to electronic scattering than does the spectrum in the perpendicular geometry. The anisotropy is further evidenced by the difference in antiresonance strength between the low-energy 116-cm-1 modes of these two geometries. Low-temperature spectra show similar anisotropy, suggesting that the Cu(1)-O(1) chains may contribute to this electronic scattering.

Original languageEnglish (US)
Pages (from-to)2781-2783
Number of pages3
JournalPhysical Review B
Volume39
Issue number4
DOIs
StatePublished - 1989

ASJC Scopus subject areas

  • Condensed Matter Physics

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