Abstract
Zinc-doped yttrium orthoferrite nanocrystals having the perovskite structure were prepared by coprecipitation of yttrium, zinc, and iron hydroxides. The limiting zinc doping level of the yttrium ferrite to yield a ZnFe2O4 spinel second phase was determined. The yttrium orthoferrite particle size was found to be a nonmonotone function of dopant concentration. The specific magnetization of yttrium ferrite nanocrystals increases with increasing zinc doping level from 0.242 A m2/kg (in undoped YFeO3) to 1.327 A m2/kg (the ratio (1–x)YFeO3: xZn (x = 0.4)) at Т = 300 K in 1250-kA/m field. A zinc ferrite impurity in samples enhances the ferromagnetism of the material.
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Original Russian Text © M.V. Berezhnaya, I.Ya. Mittova, N.S. Perov, O.V. Al’myasheva, A.T. Nguyen, V.O. Mittova, V.V. Bessalova, E.L. Viryutina, 2018, published in Zhurnal Neorganicheskoi Khimii, 2018, Vol. 63, No. 6, pp. 706–711.
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Berezhnaya, M.V., Mittova, I.Y., Perov, N.S. et al. Production of Zinc-Doped Yttrium Ferrite Nanopowders by the Sol–Gel Method. Russ. J. Inorg. Chem. 63, 742–746 (2018). https://doi.org/10.1134/S0036023618060049
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DOI: https://doi.org/10.1134/S0036023618060049