Molecular-beam epitaxial growth of InxAl1-xAs on GaAs

Jen Inn Chyi*, Jia Lin Shieh, Ray Ming Lin, Tzer En Nee, Jen Wei Pan

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

4 Scopus citations

Abstract

The surface reconstruction of InAlAs on GaAs between 490 and 700°C has been investigated during molecular-beam epitaxial growth. It is found that the surface reconstruction of InAlAs is similar to that of AlGaAs alloy. The (2×1) and (1×1) surfaces occur at a substrate temperature between 490 and 650°C, while at a temperature above 650°C, the ordered As-stabilized (3×2 surface appeared during the steady-state growth. InAlAs/GaAs heteroepitaxial layers have been analyzed and reveal that the residual strain in the epilayers is strongly dependent on the composition as well as the thickness of the epilayer. These characteristics are consistent with the InGaAs/GaAs system.

Original languageEnglish
Pages (from-to)699-701
Number of pages3
JournalApplied Physics Letters
Volume65
Issue number6
DOIs
StatePublished - 1994
Externally publishedYes

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