1. Department of Technical Chemistry I and Center for Nanointegration Duisburg-Essen CENIDE
2. University of Duisburg-Essen
3. D-45141 Essen
4. Germany
5. Institute for Photon Science and Synchrotron Radiation
6. Karlsruhe Institute of Technology
7. D-76021 Karlsruhe
8. European Synchrotron Radiation Facility
9. F-38043 Grenoble
10. France