Institution: | 1.Tomsk State University, pr. Lenina 36, Tomsk, 634050, Russia ;2.St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034, Russia ;3.Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian, Academy of Sciences, pr. Akademika Lavrent’eva 13, Novosibirsk, 630090, Russia ;4.Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia ;5.Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia ;6.Departamento de Fisica de Materiales UPV/EHU, 20080, San Sebastián, Basque Country, Spain ;7.Centro de Fisica de Materiales CFM-MPC, Centro Mixto CSIC-UPV/EHU, 20080, San Sebastian/Donostia, Basque Country, Spain ; |