Photoluminescence behavior of `Eu POT.3+´ ion doped into `gama´- and `alfa´-alumina systems prepared by combustion, ceramic and Pechini methods - Monteiro, M. A. F.; Brito, Hermi Felinto de; Felinto, Maria Claudia França da Cunha; Brito, Giancarlo Espósito de Souza; Teotonio, Ercules Epaminondas de Sousa; Vichi, Flávio Maron; Stefani, R. (Microporous and mesoporous materials, 2008)