In this paper, we investigate the structural, magnetic, and magnetocaloric properties of polycrystalline Pr_0.6Sr_0.4Mn_0.95Fe_0.05O₃ perovskite manganites. This compound was synthesized utilizing the sol-sol method. X-Ray diffraction (XRD) examination utilizing Rietveld refinement shows that Pr_0.6Sr_0.4Mn_0.95Fe_0.05O₃ compound crystallizes in the orthorhombic structure with the Pnma space group. The surface morphology of this example was completed by scanning electron microscopy (SEM). Magnetization estimations versus temperature under magnetic applied field of 0.05 T indicated that our explored test shows a ferromagnetic-paramagnetic transition. The substitution of Mn by Fe leads to a decrease of the Curie temperature T_C from 320 K for x = 0 to 128 K for x = 0.05. The Arrott plots show that the phase transition is of second order for both Pr_0.6Sr_0.4MnO₃ and Pr_0.6Sr_0.4Mn_0.95Fe_0.05O₃ samples. The magnetic entropy change  reasoned from isothermal magnetization curves has been recorded in the compound Pr_0.6Sr_0.4Mn_0.95Fe_0.05O₃ arriving at a limit of 1.032 J/kg K under a magnetic applied field of 5 T near T_C.

perovskite manganites, X-Ray diffraction, isothermal, magnetization, magnetocaloric effect.

Received: December 21, 2020; Accepted: January 23, 2021; Published: March 4, 2021

How to cite this article: R. Abidi, M. Ellouze, S. Labidi, E. K. Hlil and Rajshree B. Jotania, Impact of Fe Substitution On the Structural, Magnetic and Magnetocaloric Properties of Pr_0.6Sr_0.4Mn_0.95Fe_0.05O₃ Perovskite Manganites Prepared By Ceramic Method, International Journal of Materials Engineering and Technology 20(1) (2021), 9-27. DOI: 10.17654/MT020010009

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

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