Affiliation: | a Physics Department, Institute of Microelectronics Technology, RAS, Shkolny Bulvar 1B15, Chernogolovka, Moscow 142432, Russia b Semiconductor Research Center, Wright State University, Dayton, OH 45435, USA c Institute of Physics, Daghestan Scientific Centre of RAS, Makhachkala 367003, Russia d Department of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia |