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Polarity-driven 3-fold symmetry of GaAs/AlGaAs core multishell nanowires

Date

Authors

Zheng, Changlin

Wong-Leung, Jennifer

Gao, Qiang

Jagadish, Chennupati

Etheridge, Joanne

Tan, Hark Hoe

Publisher

American Chemical Society

Abstract

AlGaAs/GaAs quantum well heterostructures based on core-multishell nanowires exhibit excellent optical properties which are acutely sensitive to structure and morphology. We characterize these heterostructures and observe them to have 3-fold symmetry abou

Keywords

Keywords: Aberration-corrected; ADF-STEM; AlGaAs/GaAs; Annular dark field scanning transmission electron microscopy; Crystal polarities; Polarity; Quantum well heterostructures; Structure and morphology; Aluminum gallium arsenide; Gallium arsenide; Growth (material ADF-STEM; AlGaAs/GaAs; growth; nanowire; Polarity

URI

http://hdl.handle.net/1885/74082

Collections

ANU Research Publications

Source

Nano Letters

Type

Journal article

DOI

10.1021/nl401680k

Restricted until

2037-12-31

Downloads

File

Description

01_Zheng_Polarity-driven_3-fold_2013.pdf (2.99 MB)