1. Kurdjumov Centre of Metals Science and Physics, Bardin Central Research Institute for Ferrous Metallurgy, Moscow, Russia
2. Research Institute of Progressive Technologies, Togliatti State University, Togliatti, Russia
3. Institute of Applied Mathematical Research, Karelian Research Centre RAS, Petrozavodsk, Russia
4. Solid State Electronics Department, Faculty of Physics, St. Petersburg State University, St. Petersburg, Russia
5. Ioffe Physical Technical Institute, RAS, St. Petersburg, Russia