Isotope effects in Raman spectra of crystalline sulfur α-S₈

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Abstract

The Raman spectra of ³²S, ³³S, and ³⁴S powders, as well as ^naturS powder with the natural isotopic composition, have been measured in the temperature range of 5-300 K. The isotope mass dependences of the vibrational frequencies have been obtained. It has been shown that such a dependence in the region of mixed translational-librational modes differs from the dependences known for monatomic inorganic crystals. The role of zero-point vibrations for low- and high-frequency modes has been revealed throughout the entire temperature range.

Original language	English
Pages (from-to)	134-138
Number of pages	5
Journal	JETP Letters
Volume	98
Issue number	3
DOIs	https://doi.org/10.1134/S0021364013160078
Publication status	Published - Oct 2013

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ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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Kolesov, B. A., & Egorov, N. B. (2013). Isotope effects in Raman spectra of crystalline sulfur α-S₈ JETP Letters, 98(3), 134-138. https://doi.org/10.1134/S0021364013160078

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abstract = "The Raman spectra of 32S, 33S, and 34S powders, as well as naturS powder with the natural isotopic composition, have been measured in the temperature range of 5-300 K. The isotope mass dependences of the vibrational frequencies have been obtained. It has been shown that such a dependence in the region of mixed translational-librational modes differs from the dependences known for monatomic inorganic crystals. The role of zero-point vibrations for low- and high-frequency modes has been revealed throughout the entire temperature range.",

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AB - The Raman spectra of 32S, 33S, and 34S powders, as well as naturS powder with the natural isotopic composition, have been measured in the temperature range of 5-300 K. The isotope mass dependences of the vibrational frequencies have been obtained. It has been shown that such a dependence in the region of mixed translational-librational modes differs from the dependences known for monatomic inorganic crystals. The role of zero-point vibrations for low- and high-frequency modes has been revealed throughout the entire temperature range.

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Access to Document

10.1134/S0021364013160078