The investigation delved into the synthesis of M-type calcium hexaferrite (CaM) using Azadirachta indica and Murraya koenigii leaves extracts, showcasing the pivotal role of phytochemicals in shaping its structural, optical, microstructural, magnetic, and dielectric properties. Characterization via FT-IR, XRD, UV–Vis, SEM, VSM, and dielectric measurements confirmed the presence of phenolic content in the plant extracts, influencing the formation of a pure hexagonal phase. The SEM micrographs revealed a distinct spongy morphology of the ferrites synthesized via this eco-friendly approach. Interestingly, the CaM powder synthesized using Murraya koenigii leaves extract displayed a significantly higher saturation magnetization (11.78 Am2/kg) compared to that prepared from Azadirachta indica leaves extract (3.56 Am2/kg). Both samples exhibited a magnetically soft nature with a multidomain structure. The observed energy bandgap stood at 2.01 eV, while dielectric measurements showed varying ε’max values, with ∼25 for the CaM synthesized with Murraya koenigii leaves and ∼200 for the CaM synthesized with Azadirachta indica leaves at ∼20 Hz.
DOI: Article Investigation of structural, optical, magnetic, and dielectr...
Keywords:
#CalciumHexaferrite
#GreenSynthesis
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