@inproceedings{inproceedings6794815a, title = {Direct and host mediated excitation of 'Er POT.3+' ions in amorphous SiN alloys}, author = {Bell, Maria José Valenzuela and Nunes, Luiz Antônio de Oliveira and Zanatta, Antonio Ricardo}, year = {1999}, publisher = {Sociedade Brasileira de Física}, booktitle = {Encontro Nacional de Física da Matéria Condensada} }