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Study of the Magnetocaloric Effect in La0.5Sm0.2Sr0.3Mn1-xFexO3 (x = 0 and 0.05) Manganites with the Mean-Field Theory

DOI: 10.4236/ampc.2024.147009, PP. 113-122

Keywords: Manganites, Magnetization, Magnetocaloric Effect, Mean Field Model, Simulation

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Abstract:

In this paper, the magnetocaloric in La0.5Sm0.2Sr0.3Mn1-xFexO3 compounds with x = 0 (LSSMO) and x = 0.05 (LSSMFO) were simulated using mean field model theory. A strong consistency was observed between the theoretical and experimental curves of magnetizations and magnetic entropy changes, ？Δ S M ( T ) . Based on the mean-field generated ？Δ S M ( T ) , the substantial Temperature-averaged Entropy Change (TEC) values reinforce the appropriateness of these materials for use in magnetic refrigeration technology within TEC (10) values of 1 and 0.57 J？kg？1？K？1under 1 T applied magnetic field.

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