E. N. Galenko
Mozyr State Pedagogical University named after I. P. Shamyakin
Belarus

Evgeniy N. Galenko – Postgraduate Student, Junior Researcher

28, Studencheskaya Str., 247760, Mozyr, Gomel Region, Republic of Belarus

S. A. Sharko
Scientific-Practical Materials Research Centre of the National Academy of Science of Belarus
Belarus

Sergei A. Sharko – Ph. D. (Physics and Mathematics), Senior Researcher

19, P. Brovka Str., 220072, Minsk, Republic of Belarus

N. N. Novitskii
Scientific-Practical Materials Research Centre of the National Academy of Science of Belarus
Belarus

Nikolay N. Novitskii – Ph. D. (Physics and Mathematics), Senior Researcher

19, P. Brovka Str., 220072 Minsk, Republic of Belarus

O. I. Ivash
Scientific-Practical Materials Research Centre of the National Academy of Science of Belarus
Belarus

Olga I. Ivash – Junior Researcher

19, P. Brovka Str., 220072 Minsk, Republic of Belarus

V. A. Ketsko
Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Russian Federation

Valerii A. Ketsko – D. Sc. (Chemistry), Chief Researcher

31, Leninskii Ave., 119991, Moscow, Russian Federation