1. Institute of Physics, University of Silesia in Katowice, ul. 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
2. Silesian Center of Education and Interdisciplinary Research, University of Silesia in Katowice, ul. 75 Pułku Piechoty 1A, 41-500 Chorzow, Poland
3. Institute of Chemistry, University of Silesia in Katowice, ul. Szkolna 9, 40-007 Katowice, Poland