1. Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia
2. Novosibirsk State University, 2 Pirogova Str., Novosibirsk 630090, Russia
3. Institute of Chemistry and Chemical Technologies SB RAS, 50-24, Akademgorodok, Krasnoyarsk 660049, Russia
4. A.V.Rzhanov Institute of Semiconductor Physics SB RAS, 13 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia
5. II.
Physikalisches Institut, Universität zu Köln, 77 Zülpicher
Str., Köln 50937, Germany
6. St. Petersburg State University, 7-9 Universitetskaya Nab., St. Petersburg 199034, Russia