1. Department of Physics, Anna University, Chennai 600025, India
2. Department of Physics, Excel Engineering College, Komarapalaym 637303, India
3. Department of Software Engineering, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Republic of Korea
4. Department of Electrical and Electronics Engineering, Sri Shakthi Institute of Engineering and Technology, Coimbatore 641062, India
5. Centre for Materials Science, Science and Humanities, Faculty of Engineering, Karpagam Academy of Higher Education, Coimbatore 641021, India