1. CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi 110012, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Semiconducting Oxide Materials, Nanostructures and Tailored Heterojunctions (SOMNaTH) Lab, Department of Physics, Indian Institute of Technology Madras, Chennai 600036, India
4. Department of Chemistry, Birla Institute of Technology and Science (BITS), Pilani, Hyderabad Campus, Medchal District, Hyderabad, Telangana 500078, India