1. Institute of Physics
2. Kazimierz Wielki University
3. Bydgoszcz
4. Poland
5. Institute of Micro- and Nanostructure Research
6. and Center for Nanoanalysis and Electron Microscopy (CENEM)
7. Friedrich Alexander University of Erlangen-Nuremberg
8. Erlangen
9. Germany
10. Institute of Materials for Electronics and Energy Technology
11. University of Erlangen-Nuremberg
12. 91058 Erlangen
13. SSI Institute for Single Crystals
14. National Academy of Sciences of Ukraine
15. 61178 Kharkiv
16. Ukraine