A.G. Mamalis (Centre for Nanotechnology and Advanced Engineering, NCSR Demokritos, Athens, Greece, Greece)
A.I. Grabchenko (Department of Integrated Engineering Techniques M.F. Semko, National Technical University, Kharkov Polytechnic Institute, Kharkov, Ukraine, Ukraine)
V.A. Fedorovich (Department of Integrated Engineering Techniques M.F. Semko, National Technical University, Kharkov Polytechnic Institute, Kharkov, Ukraine, Ukraine)
D.V. Romashov (Department of Integrated Engineering Techniques M.F. Semko, National Technical University, Kharkov Polytechnic Institute, Kharkov, Ukraine, Ukraine)
D.O. Fedorenko (Department of Integrated Engineering Techniques M.F. Semko, National Technical University, Kharkov Polytechnic Institute, Kharkov, Ukraine, Ukraine)