Growth and Characterization of SiGe/SiO2 Core/Shell Nanocrystals on Insulators
Mansour Aouassa,
Mohammed Bouabdellaoui,
Walter Batista Pessoa
et al.
Abstract:In this study, we report the growth and characterization of high-quality SiGe/SiO 2 core−shell nanocrystals on an insulator. Our approach involves the solid-state dewetting of a germanium (Ge) film deposited via molecular beam epitaxy on an ultrathin silicon-on-insulator film. The resulting nanocrystals exhibit exceptional uniformity, a well-defined hemispherical shape, and distinct crystallographic facets, as confirmed by rigorous analyses using advanced techniques, such as high-resolution transmission electr… Show more
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