1. Department of Physics, Sant Longowal Institute of Engineering and Technology, Longowal 148106, Punjab, India
2. Multifunctional Materials Laboratory, Department of Physics, Guru Nanak Dev University, Amritsar 143005, Punjab, India
3. Department of Physics and Electronics, Hindu College, Amritsar 143001, Punjab, India
4. Department of Physics, Career Point University, Hamirpur 176041, Himachal Pradesh, India
5. Ludhiana Group of Colleges Affiliated by IKGPTU, Kapurthala 140407, Punjab, India