1. Department of Physics, Ramco Institute of Technology, Rajapalayam-626117, Tamil Nadu, India
2. Department of Physics, Mepco Schlenk Engineering College, Sivakasi-626005, Tamil Nadu, India
3. Department of Computer Science and Engineering, Ramco Institute of Technology-626 117, Rajapalayam, Tamil Nadu, India
4. Department of chemistry, AMET University, Chennai-603112, Tamil Nadu, India
5. Department of Mechanical Engineering, K. Ramakrishnan College of Technology, Tiruchirappalli-621112, Tamil Nadu, India
6. Division of Electronics and Electrical Engineering, Dongguk University–Seoul, Seoul 04620, Republic of Korea
7. Department of Semiconductor Science, Dongguk University-Seoul, Seoul 04620, Republic of Korea
8. Quantum-functional Semiconductor Research Center, Dongguk University-Seoul, Seoul 04620, Republic of Korea