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    Université de Fribourg

    Electronic structure and optical properties of TaC from the first principles calculation

    Sahnoun, Mohammed ; Daul, Claude A. ; Parlebas, J. C. ; Demangeat, C. ; Driz, M.

    In: The European Physical Journal B, 2005, vol. 44, no. 3, p. 281-286

    The electronic and optical properties of tantalum carbide TaC have been calculated using the full-potential linearized augmented-plane-wave method within the local density approximation scheme for the exchange-correlation potential. We find that the optical spectra can be extremely sensitive to the Brillouin zone sampling. The influence of relativistic effects on the dielectric function is...