1. Department of Physics, The University of Lahore, Lahore 53700, Pakistan
2. Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O.
Box 84428, Riyadh 11671, Saudi Arabia
3. Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore 54000, Pakistan
4. School of Electronic Engineering, Kyonggi University, Yeongtong-gu, Suwon, Gyeonggi-do 16227, Republic of Korea