Affiliation: | 1. Department of Physics, PSR Engineering College (Affiliated to Anna University), Sivakasi, 626140, Tamilnadu, India 2. Materials Research Centre, Coimbatore, 641045, Tamilnadu, India 3. Department of Physics, Alagappa University, Karaikudi, 630 003, Tamilnadu, India 4. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, 980-8577, Japan 5. Department of Physics, Kalasalingam University, Krishnankoil, 626 126, Tamilnadu, India
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