Abstract
The electronic band structure of the InP-lattice matched alloys In 0.53Ga 0.47As and In 0.52Al 0.48As is investigated using a non-local empirical pseudopotential including spin–orbit interaction. Pseudopotential parameters are obtained by fitting the virtual crystal band structure immediately to available experimental data for the alloys. Results are presented for the band structures and effective masses in In 0.53Ga 0.47As and In 0.52Al 0.48As. Comparison of the band structures is made against available results from a quasiparticle calculation and a model pseudopotential calculation within the coherent potential approximation.
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