1. National University of Science and Technology MISiS 1 , Leninsky Pr. 4, Moscow 119049, Russia
2. Perfect Crystals LLC 2 , 38k1 Toreza Avenue, Off. 213, Saint Petersburg 194223, Russia
3. Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences 3 , 6 Academician Ossipyan Str., Chernogolovka, Moscow Region 142432, Russia
4. Laboratory of Radiation Technologies, A. N. Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (IPCE RAS) 4 , Moscow 119071, Russia
5. Department of Materials Science and Engineering, Korea University 5 , Anamro 145, Seoul 02841, Republic of Korea
6. Department of Materials Science and Engineering, University of Florida 6 , Gainesville, Florida 32611