In this study, X-type samarium-cadmium co-substituted hexaferrites with compositions Ba2-xSmxCo2CdyFe28-yO46 were synthesized via a simple heat treatment technique at 1340 °C. Characterization using FTIR, XRD, SEM, VSM, Mössbauer, and low-frequency dielectric measurements revealed the presence of the X phase along with hematite in the prepared samples. Magnetic properties exhibited variations in saturation magnetization (MS) from 67.01 Am2/kg to 50.43 Am2/kg and coercivity (Hc) from 2.95 kA/m to 6.17 kA/m, with the pure sample showing high MS (67.01 Am2/kg) and the x = 0.06, y = 0.3 composition displaying low Hc (2.95 kA/m), confirming a multi-domain nature. Hysteresis loops indicated that the samples belong to magnetically soft materials, and Mössbauer spectra displayed doublets in selected samples. The low values of coercivity, retentivity, and loss tangent in Sm–Cd substituted samples suggest their potential use in electromagnets, transformer cores, electric motors, and as candidates for lossless low-frequency applications.
DOI: Article Influence of Sm and Cd co-substitutions on physical, magneti...
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