Dubrovskii, Vladimir; Xu, Tao; Alvarez, A Diaz; Plissard, Sebastien; Caroff, Philippe; Glas, F; Grandidier, B.
Designing strategies to reach monodispersity in fabrication of semiconductor nanowire ensembles is essential for numerous applications. When Ga-catalyzed GaAs nanowire arrays are grown by molecular beam epitaxy with help of droplet-engineering, we observe a significant narrowing of the diameter distribution of the final nanowire array with respect to the size distribution of the initial Ga droplets. Considering that the droplet serves as a nonequilibrium reservoir of a group III metal, we...[Show more]
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