27 citations · 34 across the 6 of their papers we have counts for
4 papers · 1 filter
Low temperature ferromagnetism, surface paramagnetism and exchange bias effect in nano-grained alpha-Fe1.4Ga0.6O3 oxide
R. N. Bhowmik, N. Naresh, B. Ghosh +1
The compound alpha-Fe1.4Ga0.6O3 has been prepared by mechanical alloying of alpha-Fe2O3 and Ga2O3 and subsequent heating of the mechanical alloyed samples in vacuum condition. Magn…
Cooperative ordering of superparamagnetic ZnO nanograins
B. Ghosh, M. Sardar, S. Banerjee
In this paper we have tried to understand the precise nature of magnetism in ZnO nanoparticles. Cooling field dependence of magnetic hysteresis and coercive field was observed for…
How Gold nanoparticle acquires magnetism? - Formation of large orbital moment at the interface
S. Banerjee, S. O. Raja, M. Sardar +3
In this paper, we have tried to find out the origin of magnetism in Gold nanoparticles (Au- NPs). We observe that upon incorporating Gold nanoparticles (Au-NPs) in Fe3O4 nanopartic…
Enhanced magnetism, memory and aging in Gold-Iron oxide nanoparticle composites
S. Banerjee, S. O. Raja, M. Sardar +3
In this report we present systematic magnetic studies of pure iron oxide nanoparticles and gold iron oxide nanocomposite with increasing Au particle size/content. For the magnetic…