1. Institute of Chemistry of New Materials and Center of Physics and Chemistry of New Materials
2. Universität Osnabrück
3. 49076 Osnabrück
4. Germany
5. Department of Physics
6. Institute of Inorganic Chemistry
7. Julius-Maximilians-Universität Würzburg
8. D-97074 Würzburg
9. Faculty of Agricultural Science and Landscape Architecture
10. Laboratory of Plant Nutrition and Chemistry
11. Osnabrück University of Applied Sciences
12. 49090 Osnabrück
13. Institute of Materials and Structural Integrity
14. University of Applied Sciences Osnabrueck
15. Department of Chemistry
16. Faculty of Science
17. National University of Singapore
18. Singapore