1. Departament of Experimental Physics
2. Wrocław University of Science and Technology
3. 50-370 Wrocław
4. Poland
5. Institute of Low Temperature and Structure Research
6. Polish Academy of Sciences
7. 50-950 Wrocław 2
8. Faculty of Physics
9. Vilnius University
10. LT-10222 Vilnius
11. Lithuania
12. Advanced Materials Engineering and Modeling Group
13. Faculty of Chemistry
14. Wroclaw University of Science and Technology
15. Wrocław
16. Institute of Physics
17. University of Silesia
18. 41–500 Chorzow