Single-crystalline ZnSe nanowires (NWs, see Figure) are fabricated on GaAs substrates using a Au-catalyzed vapor–liquid–solid mechanism. The as-grown ZnSe NWs display size- dependent growth direction properties that are interpreted based on the estimation of the surface and interface energies of the ZnSe NW. The solid/ liquid interface structure at the tip of the NW is the most critical factor influencing the NW growth direction.
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Chan et al. (2005) studied this question.
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