High-Density, Defect-Free, and Taper-Restrained Epitaxial GaAs Nanowires Induced from Annealed Au Thin Films
In this study, we demonstrated that by using annealed Au thin films as catalysts, high-density, defect-free, and taper-restrained epitaxial GaAs nanowires were grown on GaAs (111)B substrates. The as-grown nanowires were compared with low-density Au colloidal nanoparticle catalyzed GaAs nanowires grown under identical conditions in the same metal-organic chemical vapor deposition reactor. Through detailed morphological and structural characterizations using advanced electron microscopy, we...[Show more]
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|Source:||Crystal Growth & Design|
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