1. São Carlos
Institute of Physics, University of São Paulo, PO Box 369, 13560-970, São Carlos, SP, Brazil
2. Institute of Experimental Physics, University of Wrocław, Plac M. Borna 9, 50-204 Wrocław, Poland
3. São
Carlos Institute of Chemistry, University of São Paulo, PO Box 780, 13560-970, São Carlos, SP, Brazil