Depertment of Physics, Masjed-Soleiman Branch, Islamic Azad University(I.A.U.), Masjed-Soleiman, Iran;
Department of Electrical Engineering, Bushehr Branch, Islamic Azad University(I.A.U.), Bushehr, Iran;
Department of Physics, Ahwaz Branch, Islamic Azad University, Ahwaz, Iran;
Department of Chemistry, Shahid Sherafat, University of Farhangian, 15916 Tehran, Iran;
Department of Electrical Engineering, Bushehr Branch, Islamic Azad University(I.A.U.), Bushehr, Iran;
Low Dimensional Materials Research Center, Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia;
