1. Department of Physics, Rajshahi University, Rajshahi-6205, Bangladesh
2. Department of Physics, Faculty of Science and Technology (FST), American International University-Bangladesh (AIUB), Dhaka-1229, Bangladesh
3. Materials Science Division, Atomic Energy Centre, Dhaka-1000, Bangladesh
4. Nuclear Power and Energy Division, Bangladesh Atomic Energy Commission, Dhaka-1207, Bangladesh
5. Department of Physics, Bangladesh University of Engineering & Technology, Dhaka-1000, Bangladesh