1. CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Science, University of Science and Technology of China, Hefei 23006, China
2. Department of Applied Physics, Federal Urdu University of Arts, Science and Technology, Islamabad 44000, Pakistan
3. Plasma Technology Research Center, Department of Physics, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia