Si nanocrystal-based systems: photoluminescence and Raman spectroscopy analysis - Borrero Gonzalez, Luis José; Guimarães, Francisco Eduardo Gontijo; Pusep, Yuri A; Rodrigues, Ariano De Giovanni; Galzerani, J. C.; Wojcik, J.; Mascher, P.; Koropecki, R. R.; Arce, R. D.; Comedi, D. (International Conference on the Physics of Semiconductors - ICPS, 2008)