Optical verification of the valence band structure of cadmium arsenide

M.J. Gelten, C.M. Es, van, F.A.P. Blom, J.W.F. Jongeneelen

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    Abstract

    Optical absorption measurements were performed on thin single crystalline samples of Cd3As2 at temperatures of 300 K and 10 K. At low temperature the interband absorption coefficient shows clearly two steps due to direct transitions from the heavy hole and light hole valence bands to the conduction band. The absorption coefficient can be interpreted quantitatively in an isotropic inverted Kane band model with a modified heavy hole band with its maximum shifted from the ?-point.
    Original languageEnglish
    Pages (from-to)833-836
    JournalSolid State Communications
    Volume33
    Issue number8
    DOIs
    Publication statusPublished - 1980

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