1. I. M. Frantsevich Institute for Problems of Materials Sciences, National Academy of Sciences of Ukraine, 3 Krzyzhanovsky, Kiev, Ukraine
2. Laboratoire GEMaC, University of Versailles St. Quentin en Yvelines, Versailles, France
3. Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, Warsaw, Poland
4. E.O. Paton Institute of Electric Welding, National Academy of Sciences of Ukraine, 68 Antonovich, Kiev, Ukraine