Affiliation: | 1. Department of Physics, Faculty of Sciences, King Khalid University, P. O. Box 9004, Abha, Saudi Arabia;2. Department of Physics, Turabah University College, Taif University, 21995, Saudi Arabia;3. Department of Sciences and Technology, Rania University College, Taif University, 12975, Saudi Arabia;4. Department of Physics, Damietta Cancer Institute, Damietta, Egypt;5. Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia |