M.Yu. Dolomatov - Dr. Sc. (Chem.), Professor, Head of Research Laboratory of Physics of Electron Process and Nanomaterials, Ufa State Petroleum Technological University; Department of Physical Electronic and Nanophysics, Bashkir State University (Ufa) E-mail: dolomatov@gmail.com K.F. Latypov - Assistant, Department of Physical Electronic and Nanophysics, Bashkir State University (Ufa) E-mail: kamil-latipov@rambler.ru