1. Semiconductor Physics
2. Chemnitz University of Technology
3. D-09107 Chemnitz
4. Germany
5. Center for Materials, Architectures, and Integration of Nanomembranes (MAIN)
6. L. V. Pysarzhevsky Institute of Physical Chemistry
7. Nat. Acad. of Science of Ukraine
8. 03028 Kyiv
9. Ukraine
10. Forschungszentrum Jülich GmbH
11. V. Lashkaryov Institute of Semiconductors Physics
12. National Academy of Sciences of Ukraine
13. Kyiv
14. Taras Shevchenko National University