Saeed, K. and Qureshi, A. H. and Shabbir, G. (2006) Nano-crystalline LaFeO3 powders synthesized by the citrate-gel method. MATERIALS LETTERS , 60 (29-30). pp. 3706-3709. ISSN 0167-577X
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Abstract
A novel sol-gel process was developed for preparing nano-sized, perovskite-type LaFeO3 powder by the thermal decomposition of the gel-complex of LaFe-(C6H8O7-H2O). The structural evolution has been systematically investigated by X-ray diffraction (XRD), differential thermal analysis (DTA) and thermogavimetric analysis (TGA). Perovskite powder of similar to 25 ran size could be obtained at a temperature of similar to 600 degrees C without formation of any secondary phases of La2O3 and FC2O3 single oxides and no requirements of high temperature/vacuum/pH control etc. Analysis of the X-ray powder diffraction data showed a decrease in the value of lattice strains with increasing decomposition temperature, whereas the particle size increases with increasing decomposition temperature. (c) 2006 Elsevier B.V All rights reserved.
| Item Type: | Article |
|---|---|
| Subjects: | Physical Science > Nanophysics Physical Science > Nano objects Material Science > Nanochemistry Material Science > Nanostructured materials |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Physics Faculty of Engineering, Science and Mathematics > School of Chemistry |
| ID Code: | 7683 |
| Deposited By: | JNCASR |
| Deposited On: | 12 Nov 2009 04:13 |
| Last Modified: | 12 Nov 2009 04:13 |
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