1. Department of Physics and Technology, Ural Federal University, 19 Mira Str., Yekaterinburg 620002, Russian Federation
2. Department of Technical Physics, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, Kazakhstan
3. Department of Materials Science, Engineering School, Tomsk Polytechnic University, 30 Lenin Ave., Tomsk 634050, Russian Federation
4. Budker Institute of Nuclear Physics, Siberian Branch Russian Academy of Sciences, 11 Acad. Lavrentiev Ave., Novosibirsk 630090, Russian Federation
5. Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., LV-1063 Riga, Latvia