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Antimony Induced {112}A Faceted Triangular GaAs1-xSbx/InP Core/Shell Nanowires and Their Enhanced Optical Quality

Yuan, Xiaoming; Caroff, Philippe; Wang, Fan; Guo, Yanan; Wang, Yuda; Jackson, Howard E; Smith, Leigh M; Jagadish, Chennupati; Tan, Hark Hoe


Mid-infrared GaAs<inf>1-x</inf>Sb<inf>x</inf>/InP core/shell nanowires are grown coherently with perfectly twin-free zinc blende crystal structure. An unusual triangular InP shell with predominantly {112}A facets instead of {112}B facets is reported. It is found that this polarity preference is due to the surfactant role of Sb, which inhibits InP shell growth rate in the 〈112〉A directions. This behavior reveals a new degree of control and tunability allowed in manipulating nanowire facet...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Advanced Functional Materials
DOI: 10.1002/adfm.201501467


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