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

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 peculiarit...

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Bibliographic Details
Published in:Nanoscale research letters 2016-12, Vol.11 (1), p.75-75, Article 75
Main Authors: Pekinchak, Olga, Vasylechko, Leonid, Lutsyuk, Iryna, Vakhula, Yaroslav, Prots, Yuri, Carrillo-Cabrera, Wilder
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Crossovers
Crystallites
Diffraction
Line broadening
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanostructure
Nanotechnology
Nanotechnology and Microengineering
Nanotechnology and Nanomaterials (NANO-2015)
Perovskite structure
Sol gel process
Solid solutions
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Summary: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.
ISSN:1931-7573
1556-276X
DOI:10.1186/s11671-016-1295-y