@inproceedings{inproceedings4a74b105,
title   = {Efficient green and red upconversion emissions in 'Er POT.3+'and'Yb POT.3+' co-doped Zn'Al IND.2''O IND.4' thin ceramic powders obtained by combustion reaction},
author = {de Camargo, Andrea Simone Stucchi and Nunes, Luiz Antônio de Oliveira and Silva, Joábio F. and Costa, Ana Cristina F. M. and Barros, Bráulio S. and Silva, José Expedito C. and Sá, Gilberto F. and Alves Junior, Severino},
year = {2007},
publisher = {Sociedade Brasileira de Física},
booktitle   = {Encontro Nacional de Física da Matéria Condensada - ENFMC}
}