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Impact of Gd, Pr, Yb, and Nd doping on the magnetic properties of Mg-ferrite nanoparticles

Article scientifique 2025 Anglais

Résumé

Abstract This study aimed to synthesize MgFe 1.9 Ln 0.1 O 4 (where, Ln = Yb, Pr, Gd, and Nd) ferrite nanoparticles via the sol-gel process and investigate their structural, morphological, and magnetic properties for potential hyperthermia applications. X-ray diffraction analysis (XRD) confirmed the cubic spinel structure for all samples. Transmission electron microscopy (TEM) images revealed nanometer-scale dimensions and nearly spherical morphology. Vibrating sample magnetometer measurements (VSM) indicated superparamagnetic behavior, with decreasing saturation magnetization (Ms) observed as Ln 3+ content decreased. Specific absorption rate (SAR) analysis at 198 kHz demonstrated the influence of Ln 3+ substitution on magnetic properties. Compared to existing studies, Ln 3+ substituted (Yb, Pr, Gd, and Nd) nanoparticles demonstrate tunable magnetic properties and enhanced SAR performance, offering a more efficient design for hyperthermia treatment of solid tumors. Graphical Abstract

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Aglan, H., Ali, I., Ali, B., Kandil, S. (2025). Impact of Gd, Pr, Yb, and Nd doping on the magnetic properties of Mg-ferrite nanoparticles. https://doi.org/10.1007/s10856-025-06859-6

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Auteur(s)

Hany Aglan I. A. Ali B.M. Ali S. A. Kandil

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