Abstract
This study focuses on the use of nano ferrites with the chemical formula Mg0.8Zn0.2SmxFe2−xO4 (x = 0.0, 0.005, 0.01, 0.015, 0.02, and 0.025) prepared through the citrate-gel auto-combustion (CGAC) method. The analysis of nanoparticles with a cubic spinel structure involved the use of X-ray diffraction (XRD) and various imaging techniques, such as scanning electron microscopy (SEM & EDS), transmission electron microscopy (TEM), and UV–visible absorption spectroscopy. The crystallite size ranges from 96.4 to 719.0 nm, and the lattice parameter a (Å) ranges from 8.44 to 8.38, decreasing with the size of the nano ferrites. FTIR spectrometer frequency ranges from 559.5 to 772.0 was confirmed. We analyzed the material’s thermo-electric and electrical properties, finding a Curie temperature range of 423–613 and activation energy values of 0.002–0.001 for both EP and EF. We used a VSM to assess retentivity value, magnetization, coercivity, and hysteresis loops, yielding valuable insights into the material’s properties. The conduction in the present ferrites was majorly due to the grain boundary mechanism, which was confirmed through impedance analysis. Ferrite samples exhibit a high dielectric constant and low dielectric loss, rendering them the optimal option for electromagnetic devices functioning at high frequencies. The study also highlighted the importance of the Mg–Zn–Sm nanoparticle structural DC resistivity and DC conductivity, as well as the VSM room temperature. Spinel ferrite is a versatile material that can be used in magnetic memories, high-frequency, and electronic devices due to its unique properties like DC electrical resistivity and conductivity. In the case of the inverse spinel structure of magnesium iron oxide, the octahedral site is preferred by magnesium cations with a higher probability.
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Acknowledgements
Thanks to SV-TPTY, Head and BOS Department of physics, university college of science, Osmania university, Hyderabad, and would like to thank Researchers Supporting Project No. RSP2024R148, King Saud University, Riyadh, Saudi Arabia for the financial support.
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Banoth Baburao was contributed to conceptualization, methodology, data curation, writing—original draft. N. Hari kumar was contributed to review and editing. Khalid Mujasam Batoo was contributed to review and editing. Sajjad Hussain was contributed to review and editing. D. Ravinder was contributed to supervisor.
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Baburao, B., Kumar, N.H., Batoo, K.M. et al. Chemical synthesis of Mg0.8Zn0.2SmxFe2−xO4 nanoparticles structural characterization, optical studies, electromagnetic properties, and applications. Indian J Phys (2024). https://doi.org/10.1007/s12648-024-03144-0
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DOI: https://doi.org/10.1007/s12648-024-03144-0