Affiliation:
1. Department of Electrical Engineering; UFJF, s/n Av. José Lorenço Kelmer; Juiz de Fora 36036-330 Brazil
2. Telecommunications Department; UFF, Rua Passi da Pátria; 156/504 Bloco D Niterói 24210-240 Brazil
Subject
Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials