Preparation and characterization of erbi
✍
Fernando A. Sigoli; Rogéria R. Gonçalves; Andrea S.S. de Camargo; Luiz A.O. Nune
📂
Article
📅
2007
🏛
Elsevier Science
🌐
English
⚖ 903 KB
This work reports on the preparation of erbium and ytterbium co-doped SiO 2 :HfO 2 single mode planar waveguides using the sol-gel method. Silica nanoparticles were prepared from tetraethylorthosilicate in basic media and the films were characterized by transmission electron microscopy, scanning ele