Department of Physics, Faculty of Arts and Sciences, Mehmet Akif Ersoy University, Campus 15100, Burdur/Turkey;
Department of Physics, Faculty of Arts and Sciences, Recep Tayyip Erdo(g)an University, 53100, Rize/Turkey;
Institute of Electrical Engineering, Slovak Academy of Sciences, Dúbravsk(a) Cesta 9, 842 39 Bratislava, Slovakia;