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dc.contributor.authorLiu, Ziyang-
dc.contributor.authorMerckling, Clement-
dc.contributor.authorRooyackers, Rita-
dc.contributor.authorRichard, Olivier-
dc.contributor.authorBender, Hugo-
dc.contributor.authorMols, Yves-
dc.contributor.authorVila, María-
dc.contributor.authorRubio-Zuazo, J.-
dc.contributor.authorCastro, Germán R.-
dc.contributor.authorCollaert, Nadine-
dc.contributor.authorThean, Aaron-
dc.contributor.authorVandervorst, Wilfried-
dc.contributor.authorHeyns, Marc-
dc.identifierdoi: 10.1103/PhysRevMaterials.1.074603-
dc.identifiere-issn: 2475-9953-
dc.identifier.citationPhysical Review Materials 1(7): 074603 (2017)-
dc.description.abstractThemechanism of widely observed intermixing of wurtzite and zinc-blende crystal structures in InAs nanowire (NW) grown by selective area epitaxy (SAE) is studied. We demonstrate that the crystal structure in InAs NW grown by SAE can be controlled using basic growth parameters, and wurtzitelike InAs NWs are achieved.We link the polytypic InAs NWs SAE to the reconstruction of the growth front (111)B surface. Surface reconstruction study of InAs (111) substrate and the following homoepitaxy experiment suggest that (111) planar defect nucleation is related to the (1 × 1) reconstruction of InAs (111)B surface. In order to reveal it more clearly, a model is presented to correlate growth temperature and arsenic partial pressure with InAs NW crystal structure. This model considers the transition between (1 × 1) and (2 × 2) surface reconstructions in the frame of adatom atoms adsorption/desorption, and the polytypism is thus linked to reconstruction quantitatively. The experimental data fit well with the model, which highly suggests that surface reconstruction plays an important role in the polytypism phenomenon in InAs NWs SAE.https://doi.org/10.1103/PhysRevMaterials.1.074603-
dc.publisherAmerican Physical Society-
dc.titleCorrelation between surface reconstruction and polytypism in InAs nanowire selective area epitaxy-
dc.description.versionPeer Reviewed-
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