Optical Sige Nanocrystals
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1. Propriedades ópticas de nanocristais de SiGe: efeitos de dopagem e desordem
We have used ab initio calculations to investigate the electronic structure of SiGe based nanocrystals (NCs). This work is divided in three parts. In the first one, we focus the excitonic properties of Si(core)/Ge(shell) and Ge(core)/Si(shell) nanocrystals. We also estimate the changes induced by the effect of strain the electronic structure. We show that Ge
Publicado em: 2008