1. Institute of Inorganic Chemistry
2. Slovak Academy of Sciences
3. SK-845 36 Bratislava
4. Slovakia
5. Laboratory of Crystal Physics
6. Kirensky Institute of Physics
7. Federal Research Center KSC SB RAS
8. Krasnoyarsk
9. Russia
10. Conditions Extremes et Materiaux
11. Haute Temperature et Irradiation
12. 45071 Orleans Cedex 2
13. France