The research investigates Cu-Cr co-substituted M-type barium hexaferrites synthesized using a green approach with mentha leaves extract. The hexaferrite samples, prepared through heat treatment, were analyzed for structural, thermal, magnetic, Raman spectroscopic, and dielectric properties. XRD findings revealed M-phase formation with a secondary phase. Raman analysis confirmed successful Cu-Cr substitution, maintaining hexagonal shape seen in FESEM images. All samples exhibited hard magnetic nature, with x=0.2 composition showing maximum Ms of 68.99 Am2/kg and lowest Hc of 0.1 T. Cole-Cole graphs indicated shifts in peaks position with Cu-Cr substitutions and increasing frequency, suggesting potential for lossless, low-frequency applications.
Article A Study of the effect of the Cu and Cr co-doping on Structur...
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