1. Department of Physics College of Science, Taif University, Taif, 21944, P.O. Box 11099, Saudi Arabia
2. Physics Department, Faculty of Science, Damietta University, New Damietta 34517, Egypt
3. University of Technology and Applied Sciences, Sohar, Sohar 311, Oman
4. University of Technology and Applied Sciences, Rustaq, Oman