Journal
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume 31, Issue 9, Pages 3700-3710Publisher
SPRINGER
DOI: 10.1007/s10904-021-01979-2
Keywords
Multiferroic; Dielectric; Ferroelectricity; XRD
Categories
Funding
- King Khalid University [R.G.P.-105-42]
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Bi1-xBaxFeO3 (BiBaFeO3) multiferroic nanoparticles with different Ba molar concentrations were fabricated using solid-state reaction technique. The nanostructures were confirmed by XRD and FTIR, and the physical properties were examined. The results showed high ferroelectric polarization and Curie temperature, making them suitable for information storage devices.
The Bi1-xBaxFeO3 (BiBaFeO3) multiferroic nanoparticles with different Ba molar concentrations were fabricated in reliance on the solid-state reaction technique. Nanostructures of the prepared samples were confirmed by X-ray diffraction (XRD) together with Fourier transforms infrared (FTIR) spectroscopy, whereas the ac conductivity, dielectric and ferroelectric features were examined depending on the RLC Bridge, and Sawyer-Tower circuit. XRD patterns displayed the creation of rhombohedral-hexagonal single-phase of BiBaFeO3. The formation of BiBaFeO3 multiferroic nanoparticles was confirmed by FTIR spectra. Curie temperature (T-C) was observed around 1121-1189 K. Ferroelectric polarization was enhanced with remnant polarization of 88.8 mu C cm(-2) by Ba2+ ions substitution at x = 0.15 mol%. Besides, ac electrical conductivities as a function of frequency as well as temperature were reported for all BiBaFeO3 multiferroic nanoparticles, which exhibit a strong frequency dependence with conduction mechanism is the correlated barrier hopping (CBH) model. The obtained high polarization and Curie temperature enhance their use in information storage devices.
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