1. Department of Intelligent Mechatronics Engineering Sejong University 209 Neungdong‐ro, Gwangjin‐gu Seoul 05006 South Korea
2. Nanotechnology Research Laboratory Faculty of Engineering Sciences GIK Institute of Engineering Sciences and Technology Topi Khyber Pakhtunkhwa 23640 Pakistan
3. Department of Physics Riphah International University 14 Ali Road Lahore Pakistan