2017
DOI: 10.3762/bjnano.8.54
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Modeling of the growth of GaAs–AlGaAs core–shell nanowires

Abstract: Heterostructured GaAs–AlGaAs core–shell nanowires with have attracted much attention because of their significant advantages and great potential for creating high performance nanophotonics and nanoelectronics. The spontaneous formation of Al-rich stripes along certain crystallographic directions and quantum dots near the apexes of the shell are observed in AlGaAs shells. Controlling the formation of these core–shell heterostructures remains challenging. A two-dimensional model valid on the wire cross section, … Show more

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Cited by 2 publications
(1 citation statement)
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“…In contrast with this, VLP2, extracted from the 224 reflection along the NW edge, had to be fitted with different structure parameters [60/30/26 nm GaAs/ (In,Ga)As/GaAs] compared with the direction perpendicular to the NW side plane DLP1. Without detailed discussion, this finding could be a hint of either faceting or In segregation at the NW edges, which has been reported previously for various core-shell NW systems (Heiss et al, 2013;Johansson & Dick, 2011;Zhang et al, 2017;Mancini et al, 2014).…”
Section: Fem Modelling Of the Measured Truncation Rodssupporting
confidence: 66%
“…In contrast with this, VLP2, extracted from the 224 reflection along the NW edge, had to be fitted with different structure parameters [60/30/26 nm GaAs/ (In,Ga)As/GaAs] compared with the direction perpendicular to the NW side plane DLP1. Without detailed discussion, this finding could be a hint of either faceting or In segregation at the NW edges, which has been reported previously for various core-shell NW systems (Heiss et al, 2013;Johansson & Dick, 2011;Zhang et al, 2017;Mancini et al, 2014).…”
Section: Fem Modelling Of the Measured Truncation Rodssupporting
confidence: 66%