Raman scattering from single crystals of the 84-K superconductor Bi2.2Ca0.8Sr2Cu2O8+δ

Michael Stavola, D. M. Krol, L. F. Schneemeyer, S. A. Sunshine, R. M. Fleming, J. V. Waszczak, S. G. Kosinski

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


We report the Raman spectrum of single crystals of Bi2.2Ca0. 8Sr2Cu2O8+δ. The most prominent features are at 120, 295, 462, and 625 cm-1. The 462-cm-1 mode is tentatively assigned to axial O(3) symmetric stretching. The 625-cm-1 mode is assigned to planar Cu-O(1) bond stretching. The 120-cm-1 mode shows a strong a-b anisotropy. The effect of the b-axis superstructure upon the Raman spectrum is emphasized.

Original languageEnglish
Pages (from-to)5110-5113
Number of pages4
JournalPhysical Review B
Issue number7
StatePublished - 1988


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