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Evolution of InAs branches in InAs/GaAs nanowire heterostructures

Paladugu, Mohanchand; Zou, J.; Auchterlonie, G. J.; Guo, Y. N.; Kim, Y.; Joyce, H. J.; Gao, Q.; Jagadish, C.; Tan, Hark Hoe


Branched nanowireheterostructures of InAs∕GaAs were observed during Au-assisted growth of InAs on GaAsnanowires. The evolution of these branches has been determined through detailed electron microscopy characterization with the following sequence: (1) in the initial stage of InAsgrowth, the Au droplet is observed to slide down the side of the GaAsnanowire, (2) the downward movement of Aunanoparticle later terminates when the nanoparticle encounters InAsgrowing radially on the GaAsnanowire...[Show more]

CollectionsANU Research Publications
Date published: 2007-09-28
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.2790486


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