1. Institute of Solid State Physics; Russian Academy of Sciences; 142432 Chernogolovka Russia
2. Karlsruhe Institute of Technology; Institute of Nanotechnology; 76344 Eggenstein-Leopoldshafen Germany
3. Moscow Institute of Physics and Technology; State University; 141700 Dolgoprudny Russia
4. Laboratory of Hybrid Nanomaterials; National University of Science and Technology; 119049 Moscow Russia
5. Institute of Physics of Advanced Materials; Ufa State Aviation Technical University; 450000 Ufa Russia
6. TU Bergakademie Freiberg; Institut für Werkstoffwissenschaft; 09599 Freiberg Germany