1. Institute of High Current Electronics SB RAS, 2/3 Akademichesky Ave., 634055 Tomsk, Russia
2. Physics Department, Tomsk State University of Control Systems and Radioelectronics, 40 Lenin Ave., 634050 Tomsk, Russia
3. Department of Nanomaterials and Nanotechnology, National Research Tomsk Polytechnic University, 30 Lenin Ave., 634050 Tomsk, Russia