Institution: | 1. Materials Science Division, Atomic Energy Centre , Bangladesh Atomic Energy Commission , Dhaka , 1000 , Bangladesh;2. Department of Materials Engineering , Indian Institute of Science , Bangalore , 560012 , India manjura_hoque@yahoo.com;4. Department of Materials Engineering , Indian Institute of Science , Bangalore , 560012 , India;5. Department of Physics , Indian Institute of Science , Bangalore , 560012 , India |