1. Nanomaterials and Applications Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
2. Centre of Excellence: Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, India
3. Department of Materials Engineering, Indian Institute of Science Bangalore, Bangalore 560012, India
4. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India