1. K.K. Education Faculty; Department of Physics; Atatürk University; Erzurum 25240 Turkey
2. Faculty of Engineering; Department of Nanotechnology Engineering; Recep Tayyip Erdoğan University; Rize 53100 Turkey
3. Faculty of Engineering and Architecture; Department of Electrical-Electronics Engineering; Balikesir University; Balikesir 10145 Turkey
4. Faculty of Science; Department of Physics; Atatürk University; Erzurum 25240 Turkey