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Polarity driven formation of InAs/GaAs hierarchical nanowire heterostructures

Paladugu, Mohanchand; Zou, Jin; Guo, Ya-Nan; Zhang, Xin; Joyce, Hannah J.; Gao, Qiang; Tan, Hark Hoe; Jagadish, C.; Kim, Yong


The structural and morphological characteristics of InAs/GaAs radial nanowireheterostructures were investigated using transmission electron microscopy. It has been found that the radial growth of InAs was preferentially initiated on the {112}A sidewalls of GaAsnanowires. This preferential deposition leads to extraordinarily asymmetric InAs/GaAs radial nanowireheterostructures. Such formation of radial nanowireheterostructures provides an opportunity to engineer hierarchical nanostructures,...[Show more]

CollectionsANU Research Publications
Date published: 2008-11-20
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3033551


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