Faculté des sciences

Optical properties of germanium dioxide in the rutile structure

Sahnoun, Mohammed ; Daul, Claude A. ; Khenata, R. ; Baltache, H.

In: The European Physical Journal B, 2005, vol. 45(4), p. 455 - 458

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... Plus

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    Summary
    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.