1. CFisUC, Department of Physics, University of Coimbra
2. P-3004-516 Coimbra
3. Portugal
4. National Research University of Electronic Technology “MIET”
5. 124498 Zelenograd
6. Russia
7. Scientific-Practical Materials Research Centre of NAS of Belarus
8. 220072 Minsk
9. Belarus
10. Helmholtz-Zentrum Berlin for Materials and Energy
11. D-14109 Berlin
12. Germany
13. Joint Institute for Nuclear Research
14. 141980 Dubna