1. Department of Physics, Faculty of Science, King Khalid University, Abha, Saudi Arabia
2. Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
3. Laboratory of Materials Physics and Its Applications, University of M'sila, M'sila, Algeria
4. National Centre for Nanotechnology, King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia