Alloy phase separation in InAs/InAlAs/InP nanostructure superlattices studied by finite element calculation

W. Lei*, Y. L. Ren, Y. L. Wang, Q. Li

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    The alloy phase separation effect in InAlAs spacer layer of InAs/InAlAs nanostructure superlattices was studied by two-dimensional finite element calculation. The calculation results showed that InAs islands with wide top would prefer to induce "V"-like In-rich InAlAs arms above InAs islands in InAlAs spacer layer, while InAs islands with narrow top would promote the formation of "I"-like In-rich InAlAs arms above InAs islands in InAlAs spacer layer which corresponded well with the experimental results reported in Ref. [9].

    Original languageEnglish
    Pages (from-to)4632-4635
    Number of pages4
    JournalJournal of Crystal Growth
    Volume311
    Issue number22
    DOIs
    Publication statusPublished - 1 Nov 2009

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