We present a self-consistent pseudopotential calculation of the valence-band offset at the GaAs/InAs (001) strained interface which is chosen as an example of isovalent, common-anion, lattice-mismatched heterojunctions. Our results show that the valence-band offset can be tuned by about 0.5 eV going from GaAs to InAs substrates, mainly due to the different effect of strain on the topmost valence-band state of the two bulk materials.
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Tit et al. (1993) studied this question.
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