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Influence of Nanowire Density on the Shape and Optical Properties of Ternary InGaAs Nanowires

Kim, Yong; Joyce, Hannah J; Gao, Qiang; Jagadish, Chennupati; Paladugu, Mohanchand; Zou, Jin; Suvorova, A A; Tan, Hark Hoe


We have synthesized ternary InGaAs nanowires on (111)B GaAs surfaces by metal-organic chemical vapor deposition. Au colloidal nanoparticles were employed to catalyze nanowire growth. We observed the strong influence of nanowire density on nanowire height, tapering, and base shape specific to the nanowires with high In composition. This dependency was attributed to the large difference of diffusion length on (111)B surfaces between In and Ga reaction species, with In being the more mobile...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Nano Letters
DOI: 10.1021/nl052189o


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