Affiliation: | 1.Ioffe Physical Technical Institute, Russian Academy of Sciences, 194021, St. Petersburg, Russia ;2.Peter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, Russia ;3.ITMO University, 197101, St. Petersburg, Russia ;4.Experimentelle Physik 2, Technische Universität Dortmund, 44221, Dortmund, Germany ;5.Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia ; |