@inproceedings{inproceedingse83c3e22, title = {Structural and spectroscopic studies of luminescent 'Er POT. 3+' doped Si'O IND.2'-'Ta IND.2''O IND.5' xerogels obtained from the sol-gel process}, author = {Ferrari, Jefferson Luis and Lima, Karmel de O. and Gonçalves, Rogéria Rocha}, year = {2007}, publisher = {Instituto de Física de São Carlos/USP}, booktitle = {International Symposium on Advanced Materials and Nanostructures} }