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Structural and optical properties of axial and radial heterostructure III-V nanowires grown by metalorganic chemical vapour deposition

Joyce, HJ and Kim, Y and Gao, Q and Tan, HH and Jagadish, C (2006) Structural and optical properties of axial and radial heterostructure III-V nanowires grown by metalorganic chemical vapour deposition. 2006 6th IEEE Conference on Nanotechnology, IEEE-NANO 2006, 2. pp. 710-711.

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Abstract

We have investigated the structural properties and photoluminescence of novel axial and radial heterostructure III-V nanowires, fabricated by metalorganic chemical vapour deposition. Segments of InGaAs have been incorporated within GaAs nanowires, to create axial heterostructure nanowires which exhibit strong photoluminescence. Photoluminescence is observed from radial heterostructure nanowires (core-shell nanowires), consisting of GaAs cores with AlGaAs shells. Core-multishell nanowires, of GaAs cores clad in several alternating layers of thick AlGaAs barrier shells and thin GaAs quantum well shells, exhibit a blue-shifted photoluminescence peak arising from quantum confinement effects. © 2006 Crown Copyright.

Item Type: Article
Uncontrolled Keywords: AlGaAs GaAs Heterostructure InGaAs Nanowire Photoluminescence
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Cron job
Date Deposited: 16 Jul 2015 14:07
Last Modified: 04 Sep 2015 04:26
DOI: