Affiliation: | 1. Vasyl Stefanyk Precarpathian National University, Shevchenko st. 57, Ivano-Frankivsk, 76018, Ukraine 2. Fedkovych State University, Kotsyubinskogo st. 2, Chernivtsi, 58012, Ukraine 3. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, Nauki pr. 41, Kiev, 03028, Ukraine
|