1. Department of Physics
2. Indian Institute of Technology
3. Kharagpur 721302
4. India
5. Department of Materials Engineering and Convergence Technology
6. The Research Institute of Natural Science and Department of Physics Education
7. Gyeongsang National University
8. Jinju 52828
9. South Korea
10. S N Bose National Centre for Basic Sciences
11. Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM)
12. Linköping University
13. SE-581 83 Linköping
14. Sweden