Affiliation: | 1. Advanced Materials Laboratory, Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata 700 064, West Bengal, India;2. University Department of Physics, Ranchi University, Ranchi 834 001, Jharkhand, India;3. School of Studies in Physics, Jiwaji University, Gwalior 474 011, Madhya Pradesh, India;4. Department of Physics, Bose Institute, 93/1, A.P.C. Road, Kolkata 700 009, West Bengal, India |