1. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, Koptyug Pr., 3, Novosibirsk 630090, Russian Federation
2. Novosibirsk State University, Pirogova,
2, Novosibirsk 630090, Russian Federation
3. Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, Lavrentieva Pr., 13, Novosibirsk 630090, Russian Federation