1. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
2. Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
3. The Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, E. Radzikowskiego 152, 31-342 Kraków, Poland
4. International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-529 Wrocław, Poland