首页|The effect of La doping on multiferroic BiFeO3 ceramic through structural, dielectric, magnetic, ferroelectric, and optical studies
The effect of La doping on multiferroic BiFeO3 ceramic through structural, dielectric, magnetic, ferroelectric, and optical studies
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NSTL
Elsevier
In this study, La-doped bismuth ferrite (BLFO), Bi1-xLaxFeO3 (x = 0.00, 0.005, 0.007, 0.01) compositions have been synthesized via a solid-state method to investigate their structural, electrical, magnetic, ferroelectric, and optical properties. All the synthesized ceramics were found to be in rhombohedral distorted perovskite structures with R3c symmetry. A significantly reduced grain size with improved dielectric properties (enhanced dielectric constant and reduced dielectric loss) was observed with La doping up to composition x = 0.007. The magnetization study revealed that substitution of La in BFO enhances remnant magnetization (M-r) and coercive field (H-c). The ferroelectric study manifested that composition x = 0.007 retained a higher polarization value among all the ceramics. Moreover, the optical study exhibited that with doping, the bandgap increased from 2.49 eV for BFO to 2.64 for x = 0.007 ceramic. For the last composition x = 0.01, the bandgap decreased to 2.43 eV, which can be advantageous for magnetic photocatalysts applications.
NSTL
Elsevier
