1. Área de Ciências Naturais e Tecnológicas, Centro Universitário Franciscano - UNIFRA, 97010-032 Santa Maria, RS, Brazil., Departamento de Física, Universidade Federal do Ceará, C.P. 6030 Fortaleza-CE, 60455-900, Brazil, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano-shi 380-8553, Japan, Advanced Materials Department, IPICyT, Camino a la Presa San Jose 2055, 78216 San Luis Potosi, SLP, Mexico, Department of Electrical Engineering and Computer Science, Massachusetts Institute of...