2023
DOI: 10.1063/5.0173760
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Strained AlGaInAs on InP: Bandgap dependence on composition—Model benchmark and optimization

Marcin Zyskowski,
Nick de Louw,
Steven Kleijn
et al.

Abstract: Influence of chemical composition on the bandgap of AlGaInAs deposited on InP is often calculated using models for unstrained composition and then corrected for strain-induced bandgap energy changes using deformation potentials. This method relies on up to 25 coefficients, many of which are burdened with large uncertainty. In this paper, a large set of experimental data is used to verify the accuracy of existing approaches and to search for optimal deformation potentials. It is shown that the main source of in… Show more

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