1. Institute for Nuclear Problems, Belarusian State University, Minsk 220006, Belarus
2. Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 11355, Vietnam
3. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 11355, Vietnam
4. Faculty of Physics and Applied Computer Science, Department of Solid State Physics, AGH University of Science and Technology, Krakow 30-059, Poland
5. Belarusian State University of Informatics and Radioelectronics, Minsk 220013, Belarus
6. Department of Physics, University of Gothenburg, Göteborg 41296, Sweden