1. Laboratoire de Physique et d'Etudes des Materiaux, ESPCI-Paris, CNRS and UPMC Univ Paris 6-UMR 8213, 10 rue Vauquelin, 75005 Paris, France
2. Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
3. Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia
4. Moscow State University, 119992 Moscow, Russia
5. National University of Science and Technology MISIS, 119049 Moscow, Russia
6. Dukhov Research Institute of Automatics (VNIIA), 127055 Moscow, Russia
7. Kotel'nikov Institute of Radio-engineering and Electronics, Russian Academy of Sciences, 125009 Moscow, Russia
8. Institut des Nanosciences de Paris, Sorbonne Universites, UPMC Univ Paris 6 and CNRS-UMR 7588, F-75005 Paris, France
9. Institute of Theoretical and Applied Electrodynamics, Russian Academy of Sciences, 125412 Moscow, Russia