1. Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah21589, Saudi Arabia
2. Center of Nanotechnology, King Abdulaziz University, Jeddah21589, Saudi Arabia
3. Department of Physics, Thamar University, Thamar87246, Yemen
4. Nuclear Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah21589, Saudi Arabia
5. Center for Training & Radiation Prevention, King Abdulaziz University, Jeddah21589, Saudi Arabia
6. Radioactive Materials Section, Office of Radiation Protection, Environmental Public Health, Washington State Department of Health, Olympia, Washington98504-7890, United States