1. Department of Physics
2. Sao Paulo State University (UNESP)
3. Institute of Biosciences
4. Humanities and Exact Sciences (Ibilce)
5. Brazil
6. North Dakota State University
7. Fargo
8. USA
9. Laboratory for Surface Science and Technology
10. Department of Materials
11. ETH Zürich
12. CH-8093 Zurich
13. Switzerland