1. a Department of Physics, Faculty of Arts & Sciences , Dokuz Eylül University , Buca, İzmir, Turkey
2. b Department of Chemistry, Faculty of Arts & Sciences , Dokuz Eylül University , Buca, İzmir, Turkey
3. c Department of Physics, Faculty of Arts & Sciences , Ondokuz Mayıs University , Kurupelit, Samsun, Turkey