1. Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, 125009 Moscow, Russia
2. M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, 620108 Ekaterinburg, Russia
3. Department of Physics, The Ural State Agrarian University, 620075 Yekaterinburg, Russia
4. IRC Nanotechnology, Research Park, St. Petersburg State University, 199034 St. Petersburg, Russia
5. Scientific-Practical Materials Research Center of National Academy of Sciences of Belarus, 220072 Minsk, Belarus
6. Department of Mechanical and Aerospace Engineering, Western Michigan University, Kalamazoo, MI 49008, USA