1. Institute of Inorganic Chemistry and Analytical Chemistry, Johannes Gutenberg University, Jakob-Welder-Weg 11, D 55128 Mainz, Germany
2. Department of Structure Analysis, Institute of Physics, Czech Academy of Sciences, Cukrovarnická 10/112, CZ-17000 Prague, Czech Republic
3. Group of Physical Chemistry of Solids and Interfaces, Department of Chemistry, Universidade Federal de Juiz de Fora, Juiz de Fora, MG CEP-36036-900, Brazil
4. Department of Materials and Geoscience, Technische Universität Darmstadt, Petersenstrasse 23, D-64287 Darmstadt, Germany
5. LENS, MIND/IN2UB, Engineer department: Electronics section, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Catalonia, Spain
6. Micro and Mesoporous Molecular Sieves Group, Institute of Chemistry, University of Campinas, Campinas, SP 13083-970, Brazil
7. Departure of Geology, Mineralogy and Geophysics, Ruhr University Bochum, Universitätsstr. 150, D 44801 Bochum, Germany