1. Department of Physics, Sree Narayana Guru College of Advanced Studies, Nangiarkulangara, Alappuzha, Kerala 690513, India
2. Center for Nanoscience and Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India
3. Department of Physics, St. Aloysius College, Edathua, Alappuzha, Kerala, 689573, India
4. Department of Physics, School of Basic and Applied Sciences, Central University of Tamil Nadu, Thiruvarur, 610 005, India
5. Materials and Manufacturing Directorate, Air Force Research Laboratory, 3005 Hobson Way, Wright Patterson Air Force Base, OH 45433, USA
6. Physics Center of Minho and Porto Universities (CF-UM-UP), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
7. Laboratory of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal