Affiliation: | 1.Glass Research Group, Physics Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt ;2.Physics Department, Faculty of Science, Sana’a University, Sana’a, Yemen ;3.Physics Division, Spectroscopy Department, National Research Center, 33 Elbehouth St., Dokki, Giza, 12311, Egypt ;4.Basic Science Department, Horus University, Costal Road, New Damietta, Egypt ; |