1. Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
2. Department of Physics, University of South Florida, Tampa, Florida 33620, USA
3. Materials Science and Technology Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, USA
4. Tomsk State University, 634050 Tomsk, Russia
5. Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Basque Country, Spain
6. Saint Petersburg State University, 198504 Saint Petersburg, Russia
7. Departamento de Física de Materiales, UPV/EHU, 20080 Donostia-San Sebastián, Basque Country, Spain
8. Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
9. Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany