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A low temperature route to prepare LaFeO3 and LaCoO3 |
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| Authors: | AD Jadhav V Samuel |
| Affiliation: | a Physical and Materials Chemistry Division, National Chemical Laboratory, Pune 411008, India b Centre for Materials Characterization, National Chemical Laboratory, Pune 411008, India c Catalysis Division, National Chemical Laboratory, Pune 411008, India |
| Abstract: | A combination of digestion and further low temperature calcination to crystallize the product was employed to prepare LaFeO3 (LF) and LaCoO3 (LC) powders. Freshly co-precipitated lanthanum and ferric (or cobalt) hydroxide gels by sodium hydroxide were allowed to react at 100 °C under refluxing and stirring conditions for 4-6 h. These oven dried powders were heated at 450 °C to form crystalline LF (or LC) powders. The phase contents and lattice parameters were investigated by X-ray diffraction (XRD). Transmission electron microscope (TEM) investigations were carried out to examine the morphology and average particle size of these powders. |
| Keywords: | Chemical synthesis X-ray diffraction Transmission electron microscopy Precipitation LaFeO3 |
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