1. Physics Department, Faculty of Science, Tanta University, Tanta, Egypt
2. Physics Department, Faculty of Science, Al-Azhar University, Gaza, Palestine
3. Physics Department, Faculty of Education, Suez Canal University, Al-Arish, Egypt
4. Physics Department, Oklat Al-Skoor College of Science & Arts, Qassim University, Qassim, Saudi Arabia
5. Physics Department, Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh, Egypt
6. Physics Department, Faculty of Science, Taif University, Al-Hawiya, Taif, Saudi Arabia