Temperature-Dependent Optical Properties of Zn and Cd: A Theoretical Study
- 15 November 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 187 (3), 885-891
- https://doi.org/10.1103/physrev.187.885
Abstract
The optical properties of Zn and Cd are investigated theoretically at K; a nonlocal empirical pseudopotential determined from Fermi-surface measurements is used to calculate the optical spectra at K. To study the temperature dependence of the spectra, we modified the K pseudopotential to include lattice vibrations and thermal expansion, and then calculated the optical spectra of Cd at K. Fairly good agreement with experiment in regard to line shape is found if these temperature effects are properly taken into account; however, the absolute magnitudes of the calculated optical spectra exceed the experimental values by about a factor of 2.
Keywords
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