Effect of pressure on Fermi resonance in orthorhombic high-pressure phase-III and of isotopic species of CO2

H. Olijnyk, A. P. Jephcoat

    研究成果査読

    2 被引用数 (Scopus)

    抄録

    Pressure tuning of Fermi resonance was studied by Raman scattering in the high-pressure phase CO2-III and for some natural abundant isotopic species. The observed changes in the spectral features of the host crystal suggest that pressure strongly weakens FR and the transition from a two-phonon bound state to a two-phonon unbound state takes place in the 2v2 region between 30 and 40 GPa. It appears that the differences in FR of the isotopic species are mainly controlled by the frequency shifts introduced by the different isotopic masses.

    本文言語English
    ページ(範囲)54-59
    ページ数6
    ジャーナルPhysica B: Condensed Matter
    265
    1-4
    DOI
    出版ステータスPublished - 4月 2 1999

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 凝縮系物理学
    • 電子工学および電気工学

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