**Acknowledgements**

The authors are very grateful to the US Department of State, Institute of International Ex‐ change, Washington, DC, The US Air Force Office for Scientific Research, the US Office of Naval Research Global, Civilian R&D Foundation, Arlington, VA, Science & Technology Center in Ukraine, Clemson University, SC, University of Central Florida, FL, Istituto di elettronica dello stato solido, CNR, Rome, Italy, Universita degli studi, Cagliari, Italy, Joffe Physico-Technical Institute, St.Petersburg State Polytechnical University, Russia, Institute of Applied Physics and Academy of Sciences of Moldova for support and attention to this pro‐ tracted (1963-present time) research.
