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Type: Artigo de periódico
Title: Raman Measurements And Lattice Dynamics In The High Tc Superconductor Yba2cu3o7
Author: Sanjurjo J.A.
Lopez-Cruz E.
Katiyar R.S.
Torriani I.
Rettori C.
Davidov D.
Felner I.
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. © 1987.
Citation: Solid State Communications. , v. 64, n. 4, p. 505 - 508, 1987.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(87)90768-X
Date Issue: 1987
Appears in Collections:Unicamp - Artigos e Outros Documentos

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