1. National Nanotechnology Laboratory for Agribusiness, Embrapa Instrumentation, 13560-970 São Carlos, Brazil
2. Molecular Biotechnology Group, São Carlos Physics Institute, University of São Paulo, 13566-590 São Carlos, Brazil
3. Department of Physics, Federal University of São Carlos, 13565-905 São Carlos, Brazil
4. Crystal Growth and Ceramics Group (IFSC-USP) / Center for Development of Ceramic Materials, 13566-590 São Carlos, Brazil