Atomistic description of the electronic structure of InxGa1-xAs alloys and InAs/GaAs superlattices

Kwiseon Kim, P. R. Kent, Alex Zunger, C. B. Geller

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

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.

Original languageEnglish
Article number045208
Pages (from-to)452081-4520815
Number of pages4068735
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number4
DOIs
StatePublished - Jul 15 2002
Externally publishedYes

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