A. V. Blinov
North-Caucasian Federal University
Russian Federation

Andrey V. Blinov – PhD in Technical Science, Head of the Department of Physics and Technology of Nanostructures and Materials, Faculty of Physics and Technology, 

1, Pyshkin st., Stavropol, 355029

A. A. Gvozdenko
North-Caucasian Federal University
Russian Federation

Alexey A. Gvozdenko – Assistant of the Department of Physics and Technology of Nanostructures and Materials, Faculty of Physics and Technology, 

1, Pyshkin st., Stavropol, 355029

A. B. Golik
North-Caucasian Federal University
Russian Federation

Alexey B. Golik – Assistant of the Department of Physics and Technology of Nanostructures and Materials, Faculty of Physics and Technology, 

1, Pyshkin st., Stavropol, 355029

M. A. Kolodkin
North-Caucasian Federal University
Russian Federation

Maxim A. Kolodkin – Head of the Educational and Laboratory Complex of the Department of Physics and Technology of Nanostructures and Materials of the Faculty of Physics and  Technology, 

1, Pyshkin st., Stavropol, 355029

M. A. Pirogov
North-Caucasian Federal University
Russian Federation

Maxim A. Pirogov – Student of the Department of Physics and Technology of Nanostructures and Materials, Faculty of Physics and Technology, 

1, Pyshkin st., Stavropol, 355029