Effect of Strontium on the Structural, Optical, and Magnetic Properties of Bi(1-x)SrxFeO3

Khalid H.  Jebur

doi:10.52716/jprs.v15i1.898

Authors

Khalid H. Jebur Ministry of Oil, Baghdad ‏Oil Training Institute, Baghdad, Iraq

DOI:

https://doi.org/10.52716/jprs.v15i1.898

Keywords:

solid-state reaction, Bi(1-x)SrxFeO3‎, magnetic‎ properties.

Abstract

The composite Bi(1-x) SrxFeO₃ (x = 0.0, 0.2, 0.4, 0.6, 0.8) was produced via solid-state reaction technique at 850 °C, in order to evaluate how strontium affects the structure. X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive ‎X-ray spectroscopy (EDX), magnetic analysis (VSM), and band gap energy measurements ‎were performed by UV- visible spectroscopy. ‏The results obtained are the formation of ‎crystalline materials of rhombohedral surfaces and change to the pseudocubic phase ‎at x = 0.4. The particle size declines ‎from 36.5 nm up to 17 nm for the pure sample in BSFO. The strontium Sr+2 caused an increase in ‎Remnant magnetization (Mr) and coercive field (Hc), which lead to the magnetization ‎development of BiFeO3, UV- visible spectroscopy used to‏ ‏calculate the direct optical ‎band gap of all samples had its value on the order of 2.4 to 2.9 eV.

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