O. O. Efremov V. Bakul Institute for Superhard Materials of National Academy of Sciences of Ukraine / V.Е. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine Ukraine
V. V. Kusturov LLC TEHNOAGROMARKET Ukraine
O. B. Loginova V. Bakul Institute for Superhard Materials of National Academy of Sciences of Ukraine Ukraine
V. E. Diyuk Taras Shevchenko National University of Kyiv Ukraine
S. P. Starik V. Bakul Institute for Superhard Materials of National Academy of Sciences of Ukraine Ukraine