Relation between photoluminescence emission and local order-disorder in the CaTi'O IND.3' lattice modifier - Lazaro, Sérgio R.; Milanez, Juliana; Figueiredo, Alberthmeiry Teixeira de; Longo, Valéria M.; Mastelaro, Valmor Roberto; De Vicente, Fábio Simões; Hernandes, Antônio Carlos; Varela, José Arana; Longo, Elson (Applied Physics Letters, 2007)