N.Yu. Lobachev - Junior Research Scientist, PJSC «Radiofizika» (Moscow) E-mail: mr.NikitaYurievich@mail.ru D.S. Ochkov - Ph. D. (Eng.), Head of Research Department, PJSC «Radiofizika» (Moscow) M.Yu. Shepeluk - Head of Sector, PJSC «Radiofizika» (Moscow) E-mail: shepelukmu@mail.ru M.L. Mikhailova - Head of Sector, PJSC «Radiofizika» (Moscow) E-mail: mlmikhailova@yandex.ru A.A. Klimza - Director, UE «Elkerm» (Minsk) E-mail: klimal@rambler.ru L.A. Bliznuk - Research Scientist, SPC of National Academy of Sciences of Belarus on materials science (Minsk) E-mail: luyda@physics.by