1. Institute for Materials Science, Synthesis and Real Structure
2. Kiel University
3. 24143 Kiel
4. Germany
5. Technical Chemistry I
6. Center for Nanointegration Duisburg-Essen (CENIDE)
7. University of Duisburg-Essen
8. 45141 Essen
9. Laboratory for Electron Microscopy (LEM)
10. Karlsruhe Institute of Technology (KIT)
11. 76131 Karlsruhe