Vapor Liquid Solid Growth
Mostrando 1-4 de 4 artigos, teses e dissertações.
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1. Homogeneidade química, interfaces e defeitos estruturais em nanofios de semicondutores III-V / Chemical homogeneity, interfaces and structural defects in III-V semiconductor nanowires
O desenvolvimento de novos materias tem grande interesse devido à ocorrência de novos fenômenos e propriedades, as quais podem ser usadas em futuras aplicações tecnológicas. Em particular, nas últimas décadas, esforços imensos foram realizados buscando compreender nanomateriais e os efeitos da redução de tamanho e de dimensão. Entre os diferentes
Publicado em: 2011
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2. Crescimento de nanofios auto-sustentados de arseneto de índio por epitaxia por feixes moleculares
This Thesis reports the experimental and theoretical works related to the growth and characterization of free-standing gallium indium arsenide nanowires grown by Molecular Beam Epitaxy (MBE). The growth mechanisms of free-standing nanowires remain barely known and explored in its fundamental aspects. The theoretical models of the formation of free-standing n
Publicado em: 2010
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3. Silicon nanocrystals and zinc oxide nanowires with erbium / Nanocristais de silicio e nanofios de oxido de zinco com erbio
We present a study of erbium luminescence in silicon nanocrystals (nc-Si) and zinc oxide nanowires (nw-ZnO). Silicon nanocrystals are produced by annealing of amorphous sub-oxide thin films (SiOx) prepared by rf-sputtering varying the oxygen and erbium concentration during growth. Erbium is added by partially covering the silicon target surface with small pi
Publicado em: 2009
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4. Dispositivos optoeletronicos para o infravermelho termal
The IV-VI materiais semiconducting devices are important due to their several applications in the thermal infrared spectral region (5 mm £ l £ 14 mm). Radiation detectors as well as semiconductor lasers made out with those compounds have several uses, ranging from satellite s attitude control to high resolution spectroscopy. Among the important materiais o
Publicado em: 1994