Raman spectroscopy and normal-mode assignments for Ba2MCu3Ox (M=Gd,Y) single crystals

D. M. Krol, M. Stavola, W. Weber, Lynn Schneemeyer, J. V. Waszczak, S. M. Zahurak, S. G. Kosinski

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Abstract

Single crystals of superconducting Ba2MCu3Ox (M=Y,Gd) have been used for a study of the polarization dependence of the Raman spectra so as to better understand the lattice dynamics and the role of O defects in these materials. Several prominent vibrational bands have strong polarization dependence and can all be attributed to specific modes with Ag symmetry. Broad features between 500 and 600 cm-1 are suggested to be related to O vacancy disorder.

Original languageEnglish
Pages (from-to)8325-8328
Number of pages4
JournalPhysical Review B
Volume36
Issue number16
DOIs
StatePublished - 1 Jan 1987

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Krol, D. M., Stavola, M., Weber, W., Schneemeyer, L., Waszczak, J. V., Zahurak, S. M., & Kosinski, S. G. (1987). Raman spectroscopy and normal-mode assignments for Ba2MCu3Ox (M=Gd,Y) single crystals. Physical Review B, 36(16), 8325-8328. https://doi.org/10.1103/PhysRevB.36.8325