Affiliation: | 1. Department of Functional Materials of Electronics , Institute of Electron Physics of the National Academy of Science , Universitetska Str. 21, Uzhgorod, 88015, Ukraine holovey@mail.ru;3. Department of Functional Materials of Electronics , Institute of Electron Physics of the National Academy of Science , Universitetska Str. 21, Uzhgorod, 88015, Ukraine |