Ba(Mo1-xWx)O4 obtained by co-precipitation: structural and optical evaluations - Nogueira, Içamira Costa; Pereira, Paula Fabiana dos Santos; Botelho, Gleice; Pereira, Wyllamanney da Silva; Siu Li, Máximo; Longo, Elson; Mercury, José Manuel Rivas (Brazilian MRS Meeting, 2014)