1. Physics Department, Faculty of Science Yanbu, Taibah University, Yanbu, B.P 41912, Kingdom of Saudi Arabia
2. Physics Department, Faculty of Science, Alexandria University, Alexandria, B.P 21500, Egypt
3. Physics Department, Faculty of Science, Taibah University, Al-Madina al Munawarah, B. P 44256, Saudi Arabia
4. Physics Department, Faculty of Women, Ain Shams University, Cairo, B.P 11865, Egypt
5. Physics Department, Facult´e des Sciences, Universit´e Moulay Ismail, B.P 11201, Morocco
6. Physics Department, Faculty of Science, Ain Shams University, Cairo, B.P 11865, Egypt