1. Material Nanochemistry Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati 781035, Assam, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Physical Science Division, Department of Applied Sciences, Gauhati University, Guwahati 781014, Assam, India
4. Physical Sciences Division, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati 781035, Assam, India