1. Institute for Chemistry
and Technology of Materials (ICTM), NAWI Graz, Graz University of Technology, Stremayrgasse 9, 8010 Graz, Austria
2. Institute
of Solid State Physics, Graz University of Technology, Petersgasse
16, 8010 Graz, Austria
3. Institute for Electron Microscopy and Nanoanalysis, Graz University of Technology & Centre for Electron Microscopy Graz, Steyrergasse 17, 8010 Graz, Austria