Influence of the crystallization process on the luminescence of multilayers of SiGe nanocrystals embedded in SiO2 - M.I. Ortiz; M. Avella; J. Jiménez; C. Ballesteros; A.C. Prieto; RODRIGUEZ RODRIGUEZ, Tomás; SANGRADOR GARCIA, JESUS; RODRIGUEZ DOMINGUEZ, ANDRES (Materials Science And Engineering B-Advanced Functional Solid-State Materials, 2008)