A series of samarium-cadmium co-substituted hexaferrites, represented by the formula Ba2-xSmxCo2CdyFe28-yO46, were synthesized through a straightforward heat treatment method at 1340 °C. Characterization of the samples involved various techniques such as FTIR, XRD, SEM, VSM, Mӧssbauer, and low-frequency dielectric measurements. XRD analysis revealed the dominant presence of the desired phase (denoted as X) alongside hematite. The magnetic saturation (MS) ranged from 67.01 Am2/kg to 50.43 Am2/kg, while coercivity (Hc) varied from 2.95 kA/m to 6.17 kA/m. The pure sample exhibited a notably high MS value (67.01 Am2/kg), while the composition with x = 0.06, y = 0.3 displayed a remarkably low Hc value (2.95 kA/m), indicating potential applications in electromagnets, transformer cores, and electric motors. However, the Mr/Ms ratio below 0.5 affirmed the multi-domain nature of the hexaferrites. Hysteresis loops of all samples demonstrated narrow characteristics, confirming their magnetically soft nature. Mössbauer spectra of selected samples (S1, S3, and S5) exhibited doublets. The observed low values of coercivity, retentivity, and loss tangent in samarium-cadmium substituted samples suggested their suitability for lossless low-frequency applications.

DOI:https://lnkd.in/eCin5zta

#hexaferrites

#characterizations

#materialsynthesis

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#materialscience

#electromagnets