1. P. J. Šafárik University in Košice, Faculty of Science, Institute of Chemistry, Department of Inorganic Chemistry, Moyzesova 11, SK-041 54 Košice, Slovakia
2. V. N. Karazin Kharkiv National University, Faculty of Chemistry, Department of Applied Chemistry, Svobody sq. 4, UA-61022 Kharkiv, Ukraine
3. P. J. Šafárik University in Košice, Faculty of Science, Institute of Physics, Park Angelinum 9, SK-041 54 Košice, Slovakia
4. Slovak Metrological Institute, Karloveská 63, SK-842 55 Bratislava, Slovakia
5. Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, FR-91190 Saint-Aubin, France
6. Institute of Experimental Physics of the Slovak Academy of Sciences, Department of Materials Physics, Watsonova 47, SK-040 01 Košice, Slovakia
7. Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, CZ-182 21 Prague 8, Czech Republic
8. University of Veterinary Medicine and Pharmacy in Košice, Department of Chemistry, Biochemistry and Biophysics, Komenského 73, SK-041 84 Košice, Slovakia