1. Department
of Chemistry, Lomonosov Moscow State University, Leninskie gory, 119991 Moscow, Russia
2. Federal State Research and Design Institute of Rare Metal Industry “GIREDMET”, B. Tolmachevsky lane 5, 119017 Moscow, Russia
3. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky Av 31, 119991 Moscow, Russia
4. ALBA Synchrotron Light Source, Carretera BP 1413 Km. 3.3, 08290 Cerdanyola del Vallés, Barcelona, Spain
5. Institute
of Solid State Physics, Dresden University of Technology, Zellescher
Weg 16, D-01062 Dresden, Germany
6. St. Petersburg State University, Ulyanovskaya
street 1, St. Petersburg 198504, Russia