Raman measurements and lattice dynamics in the high Tc superconductor YBa2Cu3O7

J. A. Sanjurjo; E. López-Cruz; R. S. Katiyar; I. Torriani; C. Rettori; D. Davidov; I. Felner

doi:10.1016/0038-1098(87)90768-X

Raman measurements and lattice dynamics in the high T_c superconductor YBa₂Cu₃O₇

J. A. Sanjurjo^*, E. López-Cruz, R. S. Katiyar, I. Torriani, C. Rettori, D. Davidov, I. Felner

^*Corresponding author for this work

Racah Institute of Physics

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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.

Original language	English
Pages (from-to)	505-508
Number of pages	4
Journal	Solid State Communications
Volume	64
Issue number	4
DOIs	https://doi.org/10.1016/0038-1098(87)90768-X
State	Published - Oct 1987

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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.",

author = "Sanjurjo, \{J. A.\} and E. L{\'o}pez-Cruz and Katiyar, \{R. S.\} and I. Torriani and C. Rettori and D. Davidov and I. Felner",

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AU - Sanjurjo, J. A.

AU - López-Cruz, E.

AU - Katiyar, R. S.

AU - Torriani, I.

AU - Rettori, C.

AU - Davidov, D.

AU - Felner, I.

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AB - 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.

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Raman measurements and lattice dynamics in the high T_c superconductor YBa₂Cu₃O₇

Abstract

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