Raman scattering on superconducting crystals of Bi2(Sr1−xCax)n+2Cun+10(6+2n)+δ (n = 0, 1)
1988; Elsevier BV; Volume: 66; Issue: 12 Linguagem: Inglês
10.1016/0038-1098(88)90041-5
ISSN1879-2766
AutoresM. Cardona, C. Thomsen, R. Liu, Hans Georg̀ von Schnering, M. Hartweg, Yi Yan, Zhongxian Zhao,
Tópico(s)Methane Hydrates and Related Phenomena
ResumoWe report Raman spectra of highly oriented crystals of Bi2Sr2CuO6+δ and Bi2Sr2CaCu2O8+δ. A factor group analysis of the k = 0 phonons is also given. Most phonons observed have Ag symmetry. A mode of B1g symmetry is observed at 282 cm−1 which is equivalent to the 337 cm−1 mode of YBa2Cu3O7.
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