1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 3 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia
2. Department of Natural Sciences, Novosibirsk State University, 1 Pirogova St., Novosibirsk 630090, Russia
3. Department of Physics, Novosibirsk State University, 1 Pirogova St., Novosibirsk 630090, Russia
4. International Tomography Center SB RAS, 3a Institutskaya Str., Novosibirsk 630090, Russia