Near-infrared emitting Cr3+-doped mixed oxide luminescent materials for optical imaging - Francisco, Leonardo Henrique Comini; Moreira, Renan Paes; Salvador, Francine Franzotti da Silva; Motta, Marcio Pedroso; Felinto, Maria Claudia França da Cunha; Brito, Hermi Felinto de (Brazil MRS Meeting, 2021)