Structural and magnetic analysis of the Bix-1Sm0xFeO3 (x=0.04 and 0.07) system
Suárez Londoño, J D
Segura Peña, S
Sáchica, E H
Cruz Pacheco, A F
Sarmiento Santos, A
Parra Vargas, C A
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This work reports on the synthesis and characterization of the Bix-1SmxFeO3 (x=0.04 and 0.07) systems, produced by the solid-state reaction method. The samples obtained were characterized by X-Ray Diffraction (XRD), Rietveld refinement and magnetization measurements as a function of the magnetic field applied and temperature. The structural characterization was performed by Rietveld refinement and allowed the identification of a perovskite type structure on all the materials with rhombohedral crystalline system and R3C space group. The characterization by Scanning Electron Microscope (SEM) allowed to determine that the sintered solids present a homogenous microstructure. The magnetization curves as a function of magnetic field applied at 50 and 300K and as a function of the temperature at 5000Oe of the sintered solids exhibited a ferromagnetic behavior, with a rise of the permanent magnetization (Mr), the coercive field (Hc) and the magnetic susceptibility when the samarium concentration rose up. The structural and magnetic characteristics that are generated in the obtained solids make these materials of great interest as multiferroic components.
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