Sol-Gel-Prepared Nanoparticles of Mixed Praseodymium Cobaltites-Ferrites

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Abstract

© 2016, Pekinchak et al. Two series of nanocrystalline powders of PrCo 1 − x Fe x O 3 (x = 0.1, 0.3, 0.5, 0.7 and 0.9) of high purity were obtained by sol-gel citrate method at 700 and 800 °C. The formation of continuous solid solution with an orthorhombic perovskite structure (sp. group Pbnm) was observed. A peculiarity of the PrCo 1 − x Fe x O 3 solid solution is the lattice parameter crossovers, which occurred at certain compositions and revealed in the pseudo-tetragonal or pseudo-cubic metric. An average crystallite size of the PrCo 1 − x Fe x O 3 samples estimated from the analysis of the angular dependence of the X-ray diffraction (XRD) line broadening varies between 30 and 155 nm, depending on the composition and synthesis temperature.

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Pekinchak, O., Vasylechko, L., Lutsyuk, I., Vakhula, Y., Prots, Y., & Carrillo-Cabrera, W. (2016). Sol-Gel-Prepared Nanoparticles of Mixed Praseodymium Cobaltites-Ferrites. Nanoscale Research Letters, 11(1), 1–6. https://doi.org/10.1186/s11671-016-1295-y

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