Phonon study of rhombohedral BS under high pressure

Kirill A. Cherednichenko; Petr S. Sokolov; Aleksandr Kalinko; Yann Le Godec; Alain Polian; Jean-Paul Itie; Vladimir L. Solozhenko

doi:10.1063/1.4921099

Phonon study of rhombohedral BS under high pressure

Materials Science 2015-05-19 v1

Authors: Kirill A. Cherednichenko , Petr S. Sokolov , Aleksandr Kalinko , Yann Le Godec , Alain Polian , Jean-Paul Itie , Vladimir L. Solozhenko

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Abstract

Raman spectra of rhombohedral boron monosulfide (r-BS) were measured under pressures up to 34 GPa at room temperature. No pressure-induced structural phase transition was observed, while strong pressure shift of Raman bands towards higher wavenumbers has been revealed. IR spectroscopy as a complementary technique has been used in order to completely describe the phonon modes of r-BS. All experimentally observed bands have been compared with theoretically calculated ones and modes assignment has been performed. r-BS enriched by 10B isotope was synthesized, and the effect of boron isotopic substitution on Raman spectra was observed and analyzed.

Keywords

rhombohedral boron monosulfide high pressure Raman spectroscopy phonon modes IR spectroscopy isotopic substitution structural phase transition

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@article{arxiv.1503.01982,
  title  = {Phonon study of rhombohedral BS under high pressure},
  author = {Kirill A. Cherednichenko and Petr S. Sokolov and Aleksandr Kalinko and Yann Le Godec and Alain Polian and Jean-Paul Itie and Vladimir L. Solozhenko},
  journal= {arXiv preprint arXiv:1503.01982},
  year   = {2015}
}

Phonon study of rhombohedral BS under high pressure

Abstract

Keywords

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