Abstract
Abstract Ruthenium-doped copper ferrite R u - C u F e 2 O 4 nanoparticles (NPs) have been synthesized using a simple and cost-effective wet chemical co-precipitation deposition method. The crystallographic scanning electron microscopy images confirm cubic crystal structure and agglomerated-type surface appearance. The crystallite sizes are 6–24 nm in the range. Dielectric measurement analysis estimates the dielectric constant and loss of R u - C u F e 2 O 4 NPs. In this connection, dielectric constant and loss are reduced virtue of air annealing for various temperatures. Also, the dielectric loss confirms the relaxation peak. From magnetic measurement results, the coercivity decreases whereas saturation and remanence magnetization are increased. These features have approved the soft magnetic nature in the R u - C u F e 2 O 4 NPs.
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