1. Centre of Excellence in Nanoscience and Technology for the Development of Sensors, P. G. Department of Physics, Berhampur University, Bhanja Bihar, Odisha 760 007, India
2. Laboratory for Novel Quantum Materials and Devices, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603 203, India
3. Bharathi Vidyapeetha College of Engineering, Pune, Maharashtra 411 043, India