A Neutron Scattering Study of Lattice Dynamics of HgTe and HgSe

H. Kepa, T. Giebultowicz, B. Buras, Bente Lebech, K. Clausen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The dispersion relations for the acoustic and optic phonons in HgTe and for the acoustic phonons in HgSe were determined by neutron inelastic scattering in three high symmetry directions. The effect of the free-carrier screening of the long-range electric field of LO phonons in HgTe was observed. The formalism of the rigid ion model is used for numerical calculations of the phonon dispersion relations and the phonon densities of states in HgTe and HgSe.
    Original languageEnglish
    JournalPhysica Scripta. Topical Issues
    Volume25
    Issue number6
    Pages (from-to)807-809
    ISSN0281-1847
    DOIs
    Publication statusPublished - 1982

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