Intense blue emission photoluminescence in CT:Sm powders - Figueiredo, Alberthmeiry Teixeira de; Cavalcante, Laécio S.; Lazaro, Sérgio R. de; Longo, Valéria M.; De Vicente, Fábio Simões; Hernandes, Antônio Carlos; Longo, Elson (Brazilian Meeting on Inorganic Chemistry - BMIC, 2006)