Affiliation: | 1. Department of Physics, B. S. Abdur Rahman University, Vandalur, Chennai, 600048, Tamil Nadu, India 2. Department of Physics, Rajalakshmi Institute of Technology, Kuthambakkam Post, Chennai, 600124, Tamil Nadu, India 3. Department of ECE, SASTRA University, Tirumalaisamudram, Thanjavur, 613401, India
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