1. International Center of Future Science, State Key Laboratory of Superhard Materials, Jilin University, Changchun, China
2. Donetsk Institute for Physics and Engineering Named after O. O. Galkin, National Academy of Sciences of Ukraine, Kyiv, Ukraine
3. Donetsk Institute for Physics and Engineering Named after O. O. Galkin, Donetsk, Ukraine
4. Donetsk National University, Donetsk, Ukraine