Spinodal Decomposition in InSb/AlAs Heterostructures

D. S. Abramkin, A. K. Bakarov, A. K. Gutakovskii, T. S. Shamirzaev

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The atomic structure and energy spectrum of heterostructures formed in a system of InAs/AlAs binary compounds are studied. The InxAl1 – xSbyAs1 – y alloy, from which quantum wells are formed in InSb/AlAs structures, decomposes into two phases with different compositions. The characteristic dimensions of regions containing separate phases of the alloy in the structure plane are 5–7 nm. Spinodal decomposition of the alloy brings about the formation of coexisting indirect-gap regions with type-I and type-II energy spectra in quantum wells of the heterostructures.

Original languageEnglish
Pages (from-to)1392-1397
Number of pages6
JournalSemiconductors
Volume52
Issue number11
DOIs
Publication statusPublished - 1 Nov 2018

Keywords

  • BAND

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