1. Institute
of Physics, University of Silesia, ul. Uniwersytecka 4, 40-007 Katowice, Poland
2. Silesian
Center of Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1A, 41-500 Chorzow, Poland
3. Faculty
of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznan, Poland
4. Institute of Non
Ferrous Metals, ul. Sowinskiego 5, 44-100 Gliwice, Poland