Institution: | 1. Scientific-Technical and Educational Center of Low Temperature Studies, Ivan Franko National University of Lviv, Lviv, Ukraine;2. Department of Solid State Physics, Ivan Franko National University of Lviv, Lviv, Ukraine;3. Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine;4. Department of Solid State Physics, Ivan Franko National University of Lviv, Lviv, Ukraine |