White light emission of the single-phased 'CAWO IND. 4:TB POT. 3+' , 'EU POT. 3+', 'DY POT. 3+' materials prepared by an environmentally friendly method - Brito, Hermi Felinto de; Barbosa, Helliomar Pereira; Felinto, Maria Claudia França da Cunha; Malta, Oscar Loureiro (Brazilian Meeting on Inorganic Chemistry-BMIC, 2016)