Sol-Gel-Prepared Nanoparticles of Mixed Praseodymium Cobaltites-Ferrites
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- 作者：Olga Pekinchak ; Leonid Vasylechko ; Iryna Lutsyuk…
- 关键词：Mixed cobaltites ; ferrites ; Perovskites ; Nanopowders ; Crystal structure ; 61 ; 61.46. ; w ; 81.07. ; b
- 刊名：Nanoscale Research Letters
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：11
- 期：1
- 全文大小：1,589 KB
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Leonid Vasylechko (1)
Iryna Lutsyuk (2)
Yaroslav Vakhula (2)
Yuri Prots (3)
Wilder Carrillo-Cabrera (3)
1. Semiconductor Electronics Department, Lviv Polytechnic National University, 12 Bandera Street, 79013, Lviv, Ukraine
2. Department of Chemical Technology of Silicates, Lviv Polytechnic National University, 12 Bandera Street, 79013, Lviv, Ukraine
3. Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187, Dresden, Germany - 刊物主题：Nanotechnology; Nanotechnology and Microengineering; Nanoscale Science and Technology; Nanochemistry; Molecular Medicine;
- 出版者：Springer US
- ISSN：1556-276X
文摘
Two series of nanocrystalline powders of PrCo1 − x Fe x O3 (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 PrCo1 − x Fe x O3 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 PrCo1 − x Fe x O3 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. Keywords Mixed cobaltites-ferrites Perovskites Nanopowders Crystal structure