Affiliation: | 1. School of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India 2. Department of Physics, Kamaraj College, Tuticorin, Tamil Nadu, India 3. Energy Research Institute @ NTU, Nanyang Technological University, Nanyang, 637553, Singapore 4. Department of Physics, School of Science, VIT University, Vellore, India
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