1. S. G. Stolyarova, Dr. M. A. Kanygin, Dr. V. O. Koroteev, Prof. Y. V. Shubin, Prof. A. V. Okotrub, Dr. L. G. Bulusheva; Nikolaev Institute of Inorganic Chemistry, SB RAS; 3 Acad. Lavrentiev Ave. 630090 Novosibirsk Russia
2. Dr. M. A. Kanygin, Dr. V. O. Koroteev, Prof. Y. V. Shubin, Prof. A. V. Okotrub, L. G. Bulusheva; Novosibirsk State University; 2 Pirogova str. 630090 Novosibirsk Russia
3. D. A. Smirnov; Institute of Solid State Physics, Dresden University of Technology; 01062 Dresden Germany