**Author details**

Carlos Maurício F. Vieira1 \*, Lucas Fonseca Amaral<sup>1</sup> and Sergio N. Monteiro<sup>2</sup>

\*Address all correspondence to: vieira@uenf.br

1 Advanced Materials Laboratory, LAMAV, State University of the Northern Rio de Janeiro, UENF, Campos dos Goytacazes, RJ, Brazil

2 Department of Materials Science, Military Institute of Engineering, IME, Rio de Janeiro, RJ, Brazil
