1. Institute of Solid
State Physics, Graz University of Technology, Petersgasse 16, 810 Graz, Austria
2. Institute of Pharmaceutical
Sciences, Department of Pharmaceutical Technology, Karl-Franzens Universität Graz, Humboldstrasse 46, 8010 Graz, Austria
3. European Synchrotron Radiation Facility, 6 Rue Jules Horowitz, Grenoble,
France