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Nature of heterointerfaces in GaAs/InAs and InAs/GaAs axial nanowire heterostructures

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Date

2008

Authors

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

Journal Title

Journal ISSN

Volume Title

Publisher

American Institute of Physics (AIP)

Abstract

The structural and compositional characteristics of heterointerfaces of Au-catalyzed GaAs/InAs and InAs/GaAs axial nanowireheterostructures were comprehensively investigated by transmission electron microscopy. It has been found that the GaAs/InAs interface is not sharp and contains an InGaAs transition segment, and in contrast, the InAs/GaAs interface is atomically sharp. This difference in the nature of heterointerfaces can be attributed to the difference in the affinity of the group III elements with the catalyst material.

Description

Keywords

Keywords: Crystals; Microscopic examination; Nanostructures; Hetero-interfaces; InAs/GaAs; Electric wire

Citation

URI

http://hdl.handle.net/1885/16002

Collections

ANU Research Publications

Source

Applied Physics Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1063/1.2978959

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