1. Nanotechnology Research Centre (NRC), SRM Institute of Science and Technology, Kattankulathur-603 203, Chennai, Tamil Nadu, India
2. Functional Materials and Energy Devices Laboratory, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur-603 203, India
3. Harish-Chandra Research Institute, Prayagraj, 211 019, India
4. Department of Physics, Indian Institute of Technology Roorkee, Roorkee-247 667, India
5. Department of Physics and Center for Catalysis and Separation (CeCaS), Khalifa University of Science and Technology, Abu Dhabi 127 788, United Arab Emirates
6. Graduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku, Naka-Ku, Hamamatsu, Shizuoka 432-8011, Japan