1. Department of Chemistry, Moscow State University, Leninskie Gory 1/3, 119991 Moscow, Russia
2. Helmholtz-Zentrum Berlin für Materialien und Energie, Elektronenspeicherring BESSY II, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
3. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky Av 31, 119991 Moscow, Russia
4. Federal State Research and Design Institute of Rare Metal Industry (GIREDMET), 5 bldg. 1 B. Tolmachevskylane, 119017 Moscow, Russia
5. Institut für Halbleiter- und Festkörperphysik, Johannes Kepler Universität, Altenbergerstrasse 69, 4040 Linz, Austria
6. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany