1. Multifunctional Materials Research Laboratory, Department of Physics, Kalasalingam Academy of Research and Education (Deemed to be University), Krishnankoil, Tamil Nadu 626126, India
2. Graduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8011, Japan
3. Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology, 100 Ping Le Yean, Chaouang, Beijing 100124, P. R. China
4. Centre for Nanoscience and Technology, Anna University, Chennai 600025, India
5. Nanomaterials Laboratory, International Research Centre, Department of Chemistry Kalasalingam Academy of Research and Education (Deemed to be University), Krishnankoil, Tamil Nadu 626126, India