V. G. Shadrov, L. V. Nemtsevich

V.G. Shadrov - Ph.D. (Phys.-Math.), Leading Research Scientist, Scientific-Practical Materials Research Centre (Belarus) L.V. Nemtsevich - Research Scientist, Scientific-Practical Materials Research Centre (Belarus) A.V. Boltushkin - Ph.D. (Phys.-Math.), Senior Research Scientist, Scientific-Practical Materials Research Centre (Belarus). E-mail: nemtsevich@ifttp.bas-net.by

Ya.V. Turkin - Post-graduate Student, Yuri Gagarin State Technical University of Saratov. E-mail: turkin.yaroslav@gmail.com A.A. Zaharov - Dr. Sc. (Eng.), Professor, Head of Department «Electronic devises and equipment», Yuri Gagarin State Technical University of Saratov. E-mail: zaharov@sstu.ru A.A. Shvachko - Post-graduate Student, Yuri Gagarin State Technical University of Saratov. E-mail: alexandr1899@gmail.com