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Materials with high saturation magnetization and low dielectric loss are in great demand due to the great boom in communication industry. In this paper, we report the synthesis of nanoferrites with the generic formula ZnxNi(1−x)Fe2O4 (x = 0.0, 0.1, 0.3 and 0.5) through chemical co-precipitation technique. The sample with x = 0.5 showed a saturation magnetization of 8.2 μ ...
The low-temperature magnetic behavior of pure iron nanocrystallites dispersed in MgO matrix has been investigated by dc magnetization and ac susceptibility measurements. Irreversibilities in the magnetization data at low field are observed at low temperatures, indicating a passage from a high temperature ferromagnetic phase to a low-temperature disordered, frozen state. Quenching of these irreversibilities...
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