A.S. Elshin - Trainee Researcher, Moscow State Technical University of Radio Engineering, Electronics and Automation. E-mail: elshin_andrew@mail.ru N.Yu. Firsova - Trainee Researcher, Moscow State Technical University of Radio Engineering, Electronics and Automation. E-mail: natfirsova@gmail.com O.M. Zhigalina - Тainee Researcher, Shubnikiv Institut of crystallograhy Russian Academy of Sciences (ICRAS). E-mail:zhigal@ns.crys.ras.ru E.D. Mishina - Dr. Sc. (Phys.-Math.), Professor, Moscow State Technical University of Radio Engineering, Electronics and Automation. E-mail: mishina_elena57@mail.ru