Institution: | PG and Research Department of Physics, A.V.V.M Sri Pushpam College, Poondi 613 503, Tamilnadu, India;PG and Research Department of Physics, A.V.V.M Sri Pushpam College, Poondi 613 504, Tamilnadu, India;PG and Research Department of Physics, A.V.V.M Sri Pushpam College, Poondi 613 505, Tamilnadu, India;PG and Research Department of Physics, A.V.V.M Sri Pushpam College, Poondi 613 506, Tamilnadu, India |