1. Department of Physics, Hazara University, Mansehra 21300, Pakistan
2. Abbottabad University of Science and Technology, Abbottabad 22010, Pakistan
3. School of Materials Science and Engineering, Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology, Guangzhou 510641, China
4. Institute of Research and Development, Duy Tan University, Da Nang, Vietnam