@article{article4f98696a,
title   = {NIR lumiscent Er3+/Yb3+ co-doped SiO2-ZrO2 nanostructured planar and channel waveguides: optical and structural properties},
author = {Cunha, César dos Santos and Ferrari, Jefferson Luís and Oliveira, Drielly Cristina de and Maia, Lauro June Queiroz and Gomes, Anderson Stevens Leonidas and Ribeiro, Sidney José Lima and Gonçalves, Rogéria Rocha},
year = {2012},
doi = {10.1016/j.matchemphys.2012.06.040},
journal   = {Materials Chemistry and Physics}
}