1. Department of Inorganic Chemistry
2. University of Chemistry and Technology Prague
3. Czech Republic
4. Ernst Ruska-Centrum und Peter Grünberg Institut
5. Forschungszentrum Jülich
6. 52425 Jülich
7. Germany
8. Institute of Nuclear Physics AS CR
9. Department of Physics
10. Faculty of Science
11. J.E. Purkinje University