1. Department of Physics, Sri Krishnadevaraya University, Anantapur 515003, AP, India
2. Department of Electronic Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
3. Department of Physics, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India
4. Department of Physics, Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal 518501, India
5. Department of Chemistry, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India
6. School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea