Atomistic description of the electronic structure ofalloys and InAs/GaAs superlattices
- 30 July 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 66 (4) , 045208
- https://doi.org/10.1103/physrevb.66.045208
Abstract
We show how an empirical pseudopotential approach, fitted to bulk and interfacial reference systems, provides a unified description of the electronic structure of random alloys (bulk and epitaxial), superlattices, and related complex systems. We predict the composition and superlattice-period dependence of the band offsets and interband transitions of InAs/GaAs systems on InP and GaAs substrates.Keywords
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