Author Affiliations

V. V. Krishtop^1,2,3, D. E. Savich⁴, A. V. Popova⁴, P. S. Goncharova⁴, V. A. Maksimenko⁵, N. V. Sidorov⁶, M. N. Palatnikov⁶, M. S. Kruglov⁷, T. V. Bondareva⁷, A. V. Syuy⁸, A. V. Perminov²

¹Perm’ Scientific–Production Instrumentation Company, Perm’, Russia

²Perm’ National Research Polytechnic University, Perm’, Russia

³e-mail: krishtop@list.ru (krishtop@list.ru)

⁴Far Eastern State University of Communication Pathways, Khabarovsk, Russia

⁵Far Eastern Federal University, Vladivostok, Russia

⁶I. V. Tananaev Institute of the Chemistry and Technology of the Rare-Earth Elements and Crude Material, Apatiti, Murmansk Region, Russia

⁷Pacific Ocean State University, Khabarovsk, Russia

⁸Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia