1. Colloid Chemistry Laboratory, Department of Chemistry, The University of Burdwan, Golapbag, Burdwan-713104, West Bengal, India
2. Department of Physics, National Institute of Technology Durgapur, Durgapur-713209, West Bengal, India
3. Max-Plank-Institut für Eisenforschung GmbH, Max-Plank-Str. 1, 40237 Düsseldorf, Germany
4. Department of Chemistry, Kazi Nazrul University, Asansol-713303, West Bengal, India
5. University Science Instrumentation Centre, The University of Burdwan, Golapbag, Burdwan-713104, West Bengal, India