© 2016 Publisher M.V.Lomonosov Moscow State University
Authors
A.S. Ilyushin, A.A. Nikolaev, O.V. Mikhnev
Department of Solid-State Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Department of Solid-State Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia