Abstract
Nanocrystalline spinel ferrites with the general chemical formula Cu1−xCoxEu0.1Fe1.9O4 with x = 0, 0.25, 0.50, 0.75, and 1.0 were synthesized using the flash auto-combustion technique. X-ray diffraction, Scanning electron microscopy and Raman spectroscopy techniques were used to analyses the structural properties of samples of produced spinel ferrite. The magnetic characteristics of the obtained spinel ferrite samples have been examined using the vibration sample magnetometers measurements. According to X-ray diffraction analysis, the main cubic phase with space group Fd3m ocuured in all of the prepared samples and the lattice parameter of the cubic phase increases with increase in the amount of Co content. The cation distributions in Cu1−xCoxEu0.1Fe1.9O4 spinel ferrite were identified using the X-ray diffraction data. The majority of the particles were found to be agglomerated and spherical by scanning electron microscopy. The emission peaks of its separate component elements can be observed in the spectra obtained using energy-dispersive X-ray spectroscopy. Raman spectroscopy revealed that the samples with higher Co content displayed sharp and strong Raman bands for tetrahedral sites and octahedral sites. According to VSM measurements, the saturation magnetization (Ms) and magnetic moment (μB) were improved as the Co concentration increased.
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RSD, AAE-H and ASA performed all the experimental work (sample preparation and its characterization) and prepared manuscript. MHN and LMSE-D helped significantly in the explanation of experimental results.
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Diab, R.S., El-Deen, L.M.S., Nasr, M.H. et al. Structural, cation distribution, Raman spectroscopy, and magnetic features of Co-doped Cu–Eu nanocrystalline spinel ferrites. J Mater Sci: Mater Electron 35, 290 (2024). https://doi.org/10.1007/s10854-024-12047-z
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DOI: https://doi.org/10.1007/s10854-024-12047-z