1. Corrosion Research Laboratory (LAPEC) – Mining Engineering, Metallurgy and Materials Postgraduate Program (PPGE3M) Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Rio Grande do Sul Brazil
2. Institute of Physics Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Rio Grande do Sul Brazil
3. Materials Science Graduate Program (PGMAT) University of Caxias do Sul (UCS) Caxias do Sul Rio Grande do Sul Brazil
4. Surface Properties and Interface Study Group (GEPSI) School of Sciences/Pontifical Catholic University of Rio Grande do Sul, TECNOPUC Porto Alegre Rio Grande do Sul Brazil