Abstract
The effect of Sm content Li0.5Sm x Fe2.5–x O4 (x = 0, 0.05, 0.1, and 0.2) and sintering temperature on the phase evolution, microstructure, and bulk magnetic properties of lithium ferrite prepared by mechanical alloying is investigated. XRD results of pure samples confirmed that the single ferrite phase is formed after sintering at 800°C; however, increasing of samarium content led to the formation of secondary phase (SmFeO3) and enhanced intensity. The bulk magnetic properties decreased with increase Sm content and increased with sintering temperatures. Single-phase ferrites Li0.5Sm x Fe2.5–x O4 were produced by sintering of sample at 800°C, which is lower than the temperature associated with the conventional ceramic procedure.
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