Affiliation: | 1. Department of Physics, School of Advanced Sciences, Kalasalingam Academy of Research and Education, Krishnankoil - 626 126, India;2. Condensed Matter Physics Laboratory, International Research Centre, Kalasalingam Academy of Research and Education, Krishnankoil- 626 126, India;3. Department of Physics, University College of Engineering Nagercoil, Anna University, Nagercoil- 629 004, India;4. Department of Physics, Er. Perumal Manimekalai College of Engineering, Hosur- 635117, India;1. Department of Physics, International Research Centre, Kalasalingam Academy of Research and Education, Krishnankoil - 626 126, India;2. Condensed Matter Physics Laboratory, International Research Centre, Kalasalingam Academy of Research and Education, Krishnankoil 626 126, India;3. Department of Physics, University College of Engineering Nagercoil, Nagercoil 629 004, India;4. Department of Physics, Er. Perumal Manimekalai college of Engineering, Hosur 635117, India |