Investigation of the Effect of Chromium Replacing with Cerium in Magnesium Ferrite on the Dielectric and Structural Properties
| Authors | Hamed A. Younis1, Wissam A. Hussian1, Omar A. Ahmed1, Mustafa H. Omar2 |
| Affiliations |
1The General Directorate for Education in Diyala, Diyala, Iraq 2Department of Materials Engineering, College of Engineering, University of Diyala, Diyala, Iraq |
| Е-mail | amedabd925@gmail.com |
| Issue | Volume 15, Year 2023, Number 5 |
| Dates | Received 15 July 2023; revised manuscript received 18 October 2023; published online 30 October 2023 |
| Citation | Hamed A. Younis, Wissam A. Hussian, Omar A. Ahmed, et al., J. Nano- Electron. Phys. 15 No 5, 05018 (2023) |
| DOI | https://doi.org/10.21272/jnep.15(5).05018 |
| PACS Number(s) | 77.22. – d, 81.20.Fw |
| Keywords | MgFe2O4, Dielectric properties (6) , Sol-Gel (17) , TEM (76) , FTIR (29) . |
| Annotation |
The structural and dielectric properties of cerium-chromium substitution in magnesium ferrite (x = 0, 0.1, 0.3, 0.5) prepared by spontaneous combustion of citric acid and calcined at a temperature of (1000 °C) were studied. The compositional characterization of the samples was carried out using XRD, FTIR, TEM, and the dielectric properties were measured using LCR. X-ray diffraction revealed the composition of the cubic spinel. The crystal size of magnesium ferrite was within (18-31 nm) and the lattice constant (8.327-8.393 Å). It was observed that the FTIR spectra of the compound MgCr0.5 – xCexFe1.5O4 remained in the spinel phase with a change in the concentration of Ce3+.Electron microscopy measurements showed that there are different lattice tips with potential d-spacing for Cr2O3, CeO2 and (-Fe2O3 phases. The d-spacing value of the most prominent ring in the (311) crystal planes of MgFe2O4 was close to its value in X-ray diffraction. It was found that the dielectric constant and the dielectric loss coefficient decreased with the increment in the frequency of the applied electric field and the alternating conductivity. |
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