1. Crystal Growth and Ceramic Materials Group, São Carlos Institute of Physics; University of São Paulo; CEP 13560-970 São Carlos SP Brazil
2. Aix Marseille Université, CNRS, Université de Toulon; IM2NP UMR 7334 13397 Marseille France
3. São Carlos Institute of Chemistry; University of São Paulo; CEP 13566-590 São Carlos Brazil
4. Department of Physics; Federal University of São Carlos; CEP 13565-905 São Carlos Brazil
5. Department of Environmental Engineering; Federal University of Campina Grande; CEP 58840-000 Pombal Brazil