Exciton dynamics in silicon nanocrystals - Borrero, L.; Nunes, Luiz Antônio de Oliveira; Andreeta, Marcello Rubens Barsi; Pusep, Yuri A; Wojcik, J.; Mascher, P.; Comedi, D.; Guimarães, Francisco Eduardo Gontijo (International Conference on Advanced Materials - ICAM, 2009)