Department of Physics, Faculty of Science, University of Split, 21000 Split, Croatia.|Department of Physics, Faculty of Science, University of Split, 21000 Split, Croatia.|Department of Physics, Faculty of Science, University of Split, 21000 Split, Croatia.|Department of Physics, Faculty of Science, University of Split, 21000 Split, Croatia.|Department of Physics, Faculty of Science, University of Split, 21000 Split, Croatia.