Abstract.
We present first-principles calculations for the optical properties of germanium dioxide in the rutile structure. The electronic band structure has been calculated self-consistently within the local density approximation using the full-potential linearized augmented plane wave method. The electronic band structure shows that the fundamental energy gap is direct at the center of the Brillouin zone. The determinant role of a band structure computation with respect to the analysis of the optical properties is discussed.
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Sahnoun, M., Daul, C., Khenata, R. et al. Optical properties of germanium dioxide in the rutile structure. Eur. Phys. J. B 45, 455–458 (2005). https://doi.org/10.1140/epjb/e2005-00219-y
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DOI: https://doi.org/10.1140/epjb/e2005-00219-y