1. Material Nanochemistry Laboratory, Physical Sciences Division, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Department of Physics, National Institute of Technology Nagaland, Dimapur, Nagaland 797103, India