1. Faculty of Radiophysics, Electronics, and Computer Systems, Taras Shevchenko National University of Kyiv, Kyiv 01601, Ukraine
2. Department of Physics, Oakland University, Rochester, Michigan 48309, USA
3. Department of Materials Science and Engineering, Hubei University, Wuhan 430062, China
4. Department of Electrical Engineering and Computer Science, Oakland University, Rochester, Michigan 48309, USA
5. Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio 45433, USA