1. Institute of Physics, NAS of Ukraine, 46, Nauky Avenue, Kyiv 03028, Ukraine
2. National Institute for Laser, Plasma and Radiation Physics, PO Box MG-54, 77125 Magurele, Romania
3. G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36, Vernadsky Blvd., Kyiv 03142, Ukraine
4. V. Ye. Lashkaryov Institute of Semiconductor Physics of the NAS of Ukraine, 41 Nauky Avenue, Kyiv 03028, Ukraine
5. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute,” 37, Peremohy Avenue, Kyiv 03056, Ukraine