1. Technological Institute for Superhard and Novel Carbon Materials, 7a Centralnaya Street, Troitsk, Moscow 142190, Russian Federation
2. Moscow Institute of Physics and Technology, 9 Institutsky Lane, Dolgoprudny 141700, Russian Federation
3. Lomonosov Moscow State University, Leninskie Gory, Moscow 119991, Russian Federation
4. National University of Science and Technology MISiS, 4 Leninskiy Prospekt, Moscow 119049, Russian Federation