1. Lomonosov Moscow State University, Leninskie Gory, 1, Moscow, 119991, Russia
2. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninsky prospect, 31, Moscow, 119991, Russia
3. Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”, Leningradskaya oblast, mkr. Orlova roshcha, 1, Gatchina 188300, Russia
4. Grebenshchikov Institute of Silicate Chemistry of the Russian Academy of Sciences, Naberezhnaya Adm. Makarova, 2, St. Petersburg, 199034, Russia
5. Université Paris Saclay, Laboratoire Léon Brillouin, CEA-CNRS, CEA Saclay, Cedex, Gif-sur-Yvette 91191, France