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|Type:||Artigo de periódico|
|Title:||Raman Measurements And Lattice Dynamics In The High Tc Superconductor Yba2cu3o7|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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