1. Nanoscience Laboratory for Environmental and Biomedical Applications (NLEBA), Metallurgical Lab. 1., Department of Physics, Faculty of Education Ain Shams University Cairo Egypt
2. Laboratory of Nano‐Smart Materials for Science and Technology (LNSMST), Department of Physics, Faculty of Science King Khalid University Abha Saudi Arabia
3. Research Center for Advanced Materials Science (RCAMS) King Khalid University Abha Saudi Arabia
4. Semiconductor Lab., Department of Physics, Faculty of Education Ain Shams University Cairo Egypt