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

Lei, Wen; Ren, Yongling; Wang, Y L; Li, Qing


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...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Crystal Growth
DOI: 10.1016/j.jcrysgro.2009.08.004


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