1. Department of Physics, Bangalore University, 560056 Bengaluru, Karnataka, India
2. Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
3. Department of Inorganic and Physical Chemistry, Indian Institute of Science, 560012 Bengaluru, Karnataka, India
4. Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, 500046 Hyderabad, Telangana, India
5. Glass Division, CSIR-Central Glass and Ceramic Research Institute, 700032 Kolkata, India