A. A. Belogorlov
Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute); “NIIgrafit” JSC
Russian Federation

Yu. E. Gorshkova
Joint Institute for Nuclear Research
Russian Federation

G. P. Kopitsa
Petersburg Nuclear Physics Institute named after Konstantinov, National Research Centre “Kurchatov Institute”; Institute of Silicate Chemistry, Branch of the National Research Centre “Kurchatov Institute” – PNPI
Russian Federation

A. I. Kuklin
Joint Institute for Nuclear Research
Russian Federation

D. V. Lvov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute); Institute for Theoretical and Experimental Physics, National Research Centre “Kurchatov Institute”
Russian Federation

P. G. Mingalev
Faculty of Chemistry, Lomonosov Moscow State University
Russian Federation

A. N. Tyulyusov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute); Institute for Theoretical and Experimental Physics, National Research Centre “Kurchatov Institute”
Russian Federation