Abstract
In this paper, a study of pure and doped samarium magnetite nanoparticles synthesized using a microwave synthesis in aqueous solution was performed. The shape, size and structure of the pure and samarium doped magnetite nanoparticles were determined by X-ray diffraction, transmission electron microscopy, X-ray absorption spectroscopy and Mössbauer spectroscopy. The magnetic properties of the nanoparticles were investigated using a vibrating sample magnetometer. It was found that the samarium doped magnetite nanoparticles were superparamagnetic with high saturation magnetization. The doping with a small amount of samarium allowed to reduce the size of nanoparticles, their size distribution, increase resistance to oxidation and improve their magnetic characteristics.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 57, No. 7, pp. 1539-1549, September-October, 2016.
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Polozhentsev, O.E., Kubrin, S.P., Butova, V.V. et al. Structure and magnetic properties of pure and samarium doped magnetite nanoparticles. J Struct Chem 57, 1459–1468 (2016). https://doi.org/10.1134/S0022476616070222
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DOI: https://doi.org/10.1134/S0022476616070222