1. Advanced Functional Materials & Optoelectronic Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, Abha , Saudi Arabia
2. Nanoscience Laboratory for Environmental and Bio-medical Applications (NLEBA), Semiconductor Lab., Metallurgical Lab., Department of Physics, Faculty of Education, Ain Shams University, Roxy, 11757 Cairo , Egypt
3. Physics Department, Faculty of Science-AL Faisaliah, Campus, King Abdulaziz University, Jeddah , Saudi Arabia