1. Centre of Research Excellence in Nanotechnology (CENT)
2. King Fahd University of Petroleum and Minerals
3. Dhahran 31261
4. Saudi Arabia
5. Department of Chemistry
6. Regional Centre of Advanced Technologies and Materials
7. Division of Biologically Active Complexes and Molecular Magnets
8. Faculty of Science
9. Palacký University
10. CZ-771 46 Olomouc
11. Institute of Physics
12. University of Neuchâtel
13. CH-2000 Neuchâtel
14. Switzerland