1. Physics Department, Lancaster University, Lancaster, LA1 4YB, UK
2. Department of Physics, College of Education for Pure Science, Tikrit University, Tikrit, Iraq
3. School of Information Science and Technology, Dalian Maritime University, Dalian, China
4. Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
5. Zhejiang Mashang GM2D Technology Research Institute, Cangnan, Wenzhou, Zhejiang, China
6. Department of Physics, College of Science, University of Anbar, Anbar, Iraq
7. Department of Physics, College of Science, Jouf University, Skaka, Kingdom of Saudi Arabia
8. Department of Physics, College of Science, Northern Border University, Arar, Kingdom of Saudi Arabia
9. Department of Physics, College of Science, Taif-University, Taif, Kingdom of Saudi Arabia