1. Research Center for Advanced Materials Science (Rcams), King Khalid University, Abha, Saudi Arabia
2. Department of Semi Pilot Plant, Nuclear Materials Authority, Cairo, Egypt
3. Geology Isotopes Dept., Nuclear Materials Authority, Cairo, Egypt
4. Physics Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
5. Faculty of Engineering, Mining and Petroleum Department, Al-Azhar University, Nasr City, Cairo, Egypt