Abstract
Among ferrites materials, M-type hexaferrites are very important due to their excellent technological applications. In the present investigation, Eu3+ and Co2+-doped Sr-hexaferrite at the sites of strontium and iron (Sr1−xEuxFe12−yCoyO19) were fabricated using normal micro-emulsion process. Magnetoplumbite single-phase material was approved with the help of X-ray diffraction analysis with crystallite sizes ranging from 35 to 57 nm. Magnetic characteristics like remanence (Mr), coercivity (Hc), and saturation magnetization (Ms) were estimated using hysteresis loop data. The concentration of Eu–Co increases the Ms and Mr values while reducing the value of Hc. To determine the DC electrical resistivity the method of two points probe was used which increases with the Eu–Co content. The reduction in values of coercivity, dielectric constant, and loss while enhancement in Ms, Mr, and resistivity against Eu–Co content, indicating that these materials are acceptable for commercial application in microwave appliances and recording media.
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Acknowledgements
The authors express their gratitude to Princess Nourah bint Abdulrahman University Researchers Supporting Project (Grant No. PNURSP2022R55), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.
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SA, NA, AGA: Worked in the laboratory i.e. experimental work done and also wrote the manuscript. ZAA, MSW, MSA-B: Development or design of methodology; creation of models. RYK: Visualization. SRE, ZAA: Writing, review and editing. SA, FFA: Supervision.
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Alharbi, F.F., Aman, S., Ahmad, N. et al. Eu–Co substituted Sr-hexaferrites for recording media and microwave devices. J Mater Sci: Mater Electron 33, 12147–12156 (2022). https://doi.org/10.1007/s10854-022-08175-z
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DOI: https://doi.org/10.1007/s10854-022-08175-z