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Compositional Varied Core-Shell InGaP Nanowires Grown by Metal-Organic Chemical Vapor Deposition

Gao, Han; Sun, Wen; Sun, Qiang; Tan, Hark Hoe; Jagadish, Chennupati; Zou, Jin

Description

In this study, we report the growth of core–shell InGaP nanowires with compositional varied cores/shells using metal–organic chemical vapor deposition. These core–shell InGaP nanowires exhibit Ga-enriched cores attributed to the strong affinity between Au and In, and In-enriched shells due to In-rich vapor ambient. Detailed electron microscopy investigations indicate that the In and Ga concentrations in the nanowire cores and shells varied along the growth direction of InGaP nanowires. It is...[Show more]

dc.contributor.authorGao, Han
dc.contributor.authorSun, Wen
dc.contributor.authorSun, Qiang
dc.contributor.authorTan, Hark Hoe
dc.contributor.authorJagadish, Chennupati
dc.contributor.authorZou, Jin
dc.date.accessioned2020-06-30T04:55:59Z
dc.identifier.issn1530-6984
dc.identifier.urihttp://hdl.handle.net/1885/205664
dc.description.abstractIn this study, we report the growth of core–shell InGaP nanowires with compositional varied cores/shells using metal–organic chemical vapor deposition. These core–shell InGaP nanowires exhibit Ga-enriched cores attributed to the strong affinity between Au and In, and In-enriched shells due to In-rich vapor ambient. Detailed electron microscopy investigations indicate that the In and Ga concentrations in the nanowire cores and shells varied along the growth direction of InGaP nanowires. It is found that the strain relaxation through Ga diffusion outward and In diffusion inward leads to the decrease of compositional difference between the nanowire core and shell from top to bottom. This study offers a possibility to grow structural complex ternary nanowires that can be used for future applications.
dc.description.sponsorshipThis work was financially supported by the Australian Research Council.
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherAmerican Chemical Society
dc.rights© 2019 American Chemical Society
dc.sourceNano Letters
dc.subjectInGaP nanowire
dc.subjectcore−shell structure
dc.subjectGaAs (111) substrate
dc.subjectelectron microscopy
dc.subjectsemiconductor
dc.titleCompositional Varied Core-Shell InGaP Nanowires Grown by Metal-Organic Chemical Vapor Deposition
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume19
dc.date.issued2019-05-22
local.identifier.absfor100706 - Nanofabrication, Growth and Self Assembly
local.identifier.absfor100712 - Nanoscale Characterisation
local.identifier.absfor091203 - Compound Semiconductors
local.identifier.ariespublicationu3102795xPUB3520
local.publisher.urlhttps://pubs.acs.org/
local.type.statusAccepted Version
local.contributor.affiliationGao, Han, University of Queensland
local.contributor.affiliationSun, Wen, The University of Queensland
local.contributor.affiliationSun, Qiang, The University of Queensland
local.contributor.affiliationTan, Hoe Hark, College of Science, ANU
local.contributor.affiliationJagadish, Chennupati, College of Science, ANU
local.contributor.affiliationZou, Jin, University of Queensland
local.bibliographicCitation.issue6
local.bibliographicCitation.startpage3782
local.bibliographicCitation.lastpage3788
local.identifier.doi10.1021/acs.nanolett.9b00915
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
local.identifier.absseo970110 - Expanding Knowledge in Technology
dc.date.updated2020-01-27T16:09:36Z
local.identifier.scopusID2-s2.0-85067369946
dcterms.accessRightsOpen Access
dc.provenancehttp://v2.sherpa.ac.uk/id/publication/7792..."Accepted version can be made open access on non-commercial institutional repository after 12 month embargo if required by funder and/or institution" from SHERPA/RoMEO site (as at 1/7/20).
CollectionsANU Research Publications

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