1. D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University, Vorob’evy Ggory, 119991 Moscow, Russia
2. Institute of Photon Technologies, Federal Scientific Research Centre ‘Crystallography and Photonics’, Russian Academy of Sciences, ul. Pionerskaya 2, Troitsk, 108840 Moscow, Russia
3. Department of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia