Raman scattering of CuGeO3

N. Ogita; Y. Tsunezumi; H. Aoki; M. Udagawa; O. Fujita; A. Ogihara; J. Akimitsu

doi:10.1016/0921-4526(95)00665-6

Raman scattering of CuGeO₃

N. Ogita, Y. Tsunezumi, H. Aoki, M. Udagawa, O. Fujita, A. Ogihara, J. Akimitsu

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Detailed temperature dependence of Raman scattering spectra of CuGeO₃ has been measured in the temperature region between 4.2 and 30 K, to clarify the anomaly of phonons and magnetic excitations in the vicinity of spin-Peierls (SP) transition at 14 K. Among the five Raman peaks, which appear in the SP state, only a peak at 230 cm^-1 remains above SP transition temperature. Judging from the line shape, this peak can be assigned to be an ordinary two-magnon excitation of antiferromagnets.

Original language	English
Pages (from-to)	107-109
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	219-220
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4526(95)00665-6
Publication status	Published - Apr 1 1996
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "Detailed temperature dependence of Raman scattering spectra of CuGeO3 has been measured in the temperature region between 4.2 and 30 K, to clarify the anomaly of phonons and magnetic excitations in the vicinity of spin-Peierls (SP) transition at 14 K. Among the five Raman peaks, which appear in the SP state, only a peak at 230 cm-1 remains above SP transition temperature. Judging from the line shape, this peak can be assigned to be an ordinary two-magnon excitation of antiferromagnets.",

author = "N. Ogita and Y. Tsunezumi and H. Aoki and M. Udagawa and O. Fujita and A. Ogihara and J. Akimitsu",

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T1 - Raman scattering of CuGeO3

AU - Ogita, N.

AU - Tsunezumi, Y.

AU - Aoki, H.

AU - Udagawa, M.

AU - Fujita, O.

AU - Ogihara, A.

AU - Akimitsu, J.

PY - 1996/4/1

Y1 - 1996/4/1

N2 - Detailed temperature dependence of Raman scattering spectra of CuGeO3 has been measured in the temperature region between 4.2 and 30 K, to clarify the anomaly of phonons and magnetic excitations in the vicinity of spin-Peierls (SP) transition at 14 K. Among the five Raman peaks, which appear in the SP state, only a peak at 230 cm-1 remains above SP transition temperature. Judging from the line shape, this peak can be assigned to be an ordinary two-magnon excitation of antiferromagnets.

AB - Detailed temperature dependence of Raman scattering spectra of CuGeO3 has been measured in the temperature region between 4.2 and 30 K, to clarify the anomaly of phonons and magnetic excitations in the vicinity of spin-Peierls (SP) transition at 14 K. Among the five Raman peaks, which appear in the SP state, only a peak at 230 cm-1 remains above SP transition temperature. Judging from the line shape, this peak can be assigned to be an ordinary two-magnon excitation of antiferromagnets.

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JO - Physica B: Condensed Matter

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