1. Centre for Microelectronics and NanotechnologyUniversity of Rzeszow1 Pigonia Str.Rzeszow35‐310Poland
2. Department of Physics of Semiconductors and NanostructuresChernivtsi National University2 Kotsiubynsky Str.Chernivtsi58012Ukraine
3. Department of Theoretical and Applied Physics and Computer SimulationsIvan Franko Drohobych Pedagogical University24 I. Franko Str.Drohobych82100Ukraine
4. Department of Physiology and Reproduction of AnimalsInstitute of BiotechnologyUniversity of Rzeszow1 Pigonia Str.Rzeszow35‐310Poland