Semiconductor Physics, Quantum Electronics & Optoelectronics. 2008. V. 11, N 1. P. 059-062.

The composition effect on the bowing parameter in the cubic InGaN, AlGaN and AlInN alloys
S. Berrah, A. Boukortt, and H. Abid

Applied materials laboratory, university of Sidi Bel Abbes, 22000 Algeria E-mail:

Abstract. Numerical simulation based on FP-LAPW calculations is applied to study direct and indirect band gap energy of the cubic Al x Ga 1-x N, In x Ga 1-x N and In x Al 1-x N alloys.The direct and indirect band-gap bowing parameter is also calculated, and the values obtained are very important, as we find a strong dependence of the bowing parameter on the composition.

Keywords: III-V ternary alloys, band-gap bowing parameter, WIEN(2k).

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