1. Chemistry Department, Al-Azhar University, Nasr City, Cairo, Egypt
2. Electronic and Magnetic Materials Department, Advanced Materials Institute, Central Metallurgical Research & Development Institute (CMRDI), Helwan, Cairo, Egypt
3. Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
4. Mining and Metallurgy Engineering Department, Tabbin Institute for Metallurgical Studies (TIMS), Tabbin, Helwan 109, Cairo 11421, Egypt