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Phase separation induced by Au catalysts in ternary InGaAs nanowires

Guo, YaNan; Xu, Hong-Yi; Auchterlonie, Graeme J; Burgess, Timothy; Joyce, Hannah J; Gao, Qiang; Jagadish, Chennupati; Shu, Hai-Bo; Chen, Xiao-Shuang; Lu, Wei; Kim, Yong; Zou, Jin; Tan, Hark Hoe


We report a novel phase separation phenomenon observed in the growth of ternary InxGa1-xAs nanowires by metalorganic chemical vapor deposition. A spontaneous formation of core-shell nanowires is investigated by cross-sectional transmission electron microscopy, revealing the compositional complexity within the ternary nanowires. It has been found that for InxGa1-xAs nanowires high precursor flow rates generate ternary InxGa1-xAs cores with In-rich shells, while low precursor flow rates produce...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Nano Letters
DOI: 10.1021/nl304237b


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