Affiliation: | 1. College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, PR China;2. Department of Physics, Sri Vidya Mandir Arts and Science College, Katteri, Uthangarai, Krishnagiri 636902, Tamil Nadu, India;3. Centre for Advanced Materials and Industrial Chemistry (CAMIC), RMIT University, Melbourne, VIC 3000, Australia |