1. Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5,Institute of Physics,Torun,Poland,87100
2. AGH University of Science and Technology, A. Mickiewicza 30,Faculty of Material Science and Ceramics,Krakow,Poland,30059
3. National Institute of Technology Warangal,Department of Physics,Warangal,Telangana State,India,506004
4. Nicolaus Copernicus University in Torun, Wilenska 4,Centre for Modern Interdisciplinary Technologies,Torun,Poland,87100