1. B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
2. V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine Kyiv, Borys Grinchenko Kyiv University, Kyiv, Ukraine;
3. Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, USA
4. Interdisciplinary Center for Modern Technologies, Nicolaus Copernicus University, Toruń, PL, Poland