1. Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
2. CJSC EKRAN-FEP, Novosibirsk, 630060, Russian Federation
3. Synchrotron radiation facility SKIF, Boreskov Institute of Catalysis SB RAS, 630559, Kol’tsovo, Russia