1. Amirkhanov Institute of Physics, Daghestan Federal Research Centre, Russian Academy of Sciences, 367003 Makhachkala, Russia
2. Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia
3. National University of Science and Technology “MISIS,” Moscow 119049, Russia
4. Scientific-Practical Materials Research Centre of the National Academy of Sciences, 220072 Minsk, Belarus