1. Laboratory of Optical Materials and Structures; Institute of Semiconductor Physics, SB RAS; Novosibirsk 630090 Russia
2. Functional Electronics Laboratory; Tomsk State University; Tomsk 634050 Russia
3. Laboratory of Semiconductor and Dielectric Materials; Novosibirsk State University; Novosibirsk 630090 Russia
4. Institute of Chemistry, Tyumen State University; Tyumen 625003 Russia
5. Department of Radio Engineering and Electronics; Novosibirsk State Technical University; Novosibirsk 630073 Russia
6. Department of General Physics; Novosibirsk State Technical University; Novosibirsk 630073 Russia