1. Taras Shevchenko National University of Kyiv, Kyiv 01601, Ukraine
2. B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, Kharkiv 61103, Ukraine
3. Department of Chemistry and Biochemistry, University of Arizona, Tucson AZ 85721, USA
4. Interdisciplinary Center for Modern Technologies, Nicolaus Copernicus University, Toruń PL 87-100, Poland