1. Department of Chemistry, College of Science, Taibah University Al-Munawarah, Saudi Arabia
2. Department of Physics, College of Science, Taibah University Al-Munawarah, Saudi Arabia
3. Physics Department, Facuĺe des Sciences, Universíe Moulay Ismail, Meknes, Morocco
4. Physics Department, Faculty of Science, Ain Shams University, Cairo, Egypt