1. National Institute for Space Research—INPE 1 , Astronautas Avenue, 1.758—Jardim da Granja, São José dos Campos, São Paulo 12227-010, Brazil
2. Federal University of São Paulo—UNIFESP 2 , Talim Street, 330—Vila Nair, São José dos Campos, São Paulo 12231-280, Brazil
3. Fraunhofer Institute for Surface Engineering and Thin Films (IST) 3 , Bienroder Weg 54E, Braunschweig D-38108, Germany
4. Institute of Science and Technology, São Paulo State University (Unesp) 4 , Eng. Francisco José Longo Avenue, 777—Jardim São Dimas, São José dos Campos, São Paulo 12245-000, Brazil