Raman study of Cs3C60 under ambient pressure

Y. Kubozono; S. Fujiki; K. Hiraoka; T. Urakawa; Y. Takabayashi; S. Kashino; Y. Iwasa; H. Kitagawa; Y. Mitani

doi:10.1016/S0009-2614(98)01220-2

Raman study of Cs₃C₆₀ under ambient pressure

Y. Kubozono, S. Fujiki, K. Hiraoka, T. Urakawa, Y. Takabayashi, S. Kashino, Y. Iwasa, H. Kitagawa, Y. Mitani

Research Institute for Interdisciplinary Science

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10 Citations (Scopus)

Abstract

Temperature dependence of Raman scattering in a pressure-induced superconductor Cs₃C₆₀ was studied under ambient pressure between 2 and 290 K. The contributions of the intramolecular vibration modes to electron-phonon coupling were evaluated by comparing the linewidths of the modes in Cs₃C₆₀ with those in pristine C₆₀. The total electron-phonon coupling constant λ was ≈0.18, approximately one-third of the values for Rb₃C₆₀ and K₃C₆₀. Temperature-dependent Raman scattering in the superconductor Rb₃C₆₀ and a non-superconductor Rb₆C₆₀ was also measured for comparison.

Original language	English
Pages (from-to)	335-340
Number of pages	6
Journal	Chemical Physics Letters
Volume	298
Issue number	4-6
DOIs	https://doi.org/10.1016/S0009-2614(98)01220-2
Publication status	Published - Jan 1 1998

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ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Cite this

Kubozono, Y., Fujiki, S., Hiraoka, K., Urakawa, T., Takabayashi, Y., Kashino, S., Iwasa, Y., Kitagawa, H., & Mitani, Y. (1998). Raman study of Cs₃C₆₀ under ambient pressure. Chemical Physics Letters, 298(4-6), 335-340. https://doi.org/10.1016/S0009-2614(98)01220-2

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AU - Fujiki, S.

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AU - Kashino, S.

AU - Iwasa, Y.

AU - Kitagawa, H.

AU - Mitani, Y.

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AB - Temperature dependence of Raman scattering in a pressure-induced superconductor Cs3C60 was studied under ambient pressure between 2 and 290 K. The contributions of the intramolecular vibration modes to electron-phonon coupling were evaluated by comparing the linewidths of the modes in Cs3C60 with those in pristine C60. The total electron-phonon coupling constant λ was ≈0.18, approximately one-third of the values for Rb3C60 and K3C60. Temperature-dependent Raman scattering in the superconductor Rb3C60 and a non-superconductor Rb6C60 was also measured for comparison.

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10.1016/S0009-2614(98)01220-2