1. a Materials Science Department , CENIMAT/I3N, Faculty of Sciences and Technology of New University of Lisbon and CEMOP/UNINOVA , Campus de Caparica, 2829-516 Caparica , Portugal
2. b Universidade do Vale do Paraíba, Instituto de Pesquisa e Desenvolvimento , Av. Shishima Hifumi, 2911-Urbanova, São José dos Campos , SP , Brazil