1. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
2. Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
3. Department of Engineering Physics, Tashkent State Technical University, Do’rmon Yuli 33, 100125 Tashkent, Uzbekistan
4. Georg-August-Universität Göttingen, Drittes Physikalisches Institut, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany