Investigations on the properties of pure and rare earth modified bismuth ferrite ceramics
| Autor: | Balasubramanian Karthikeyan, S. Kazhugasalamoorthy, S. Dhanuskodi, N.V. Giridharan, R. Mohandoss, P. Jegatheesan, R. Justin Joseyphus |
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| Rok vydání: | 2010 |
| Předmět: |
Materials science
Mechanical Engineering Metals and Alloys Analytical chemistry Mineralogy chemistry.chemical_element Microstructure chemistry.chemical_compound chemistry Mechanics of Materials visual_art Phase (matter) Materials Chemistry Lanthanum visual_art.visual_art_medium Multiferroics Ceramic Chemical composition Perovskite (structure) Bismuth ferrite |
| Zdroj: | Journal of Alloys and Compounds. 493:569-572 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2009.12.157 |
| Popis: | Pure BiFeO 3 (BFO) and La-modified BiFeO 3 (Bi 1− x La x FeO 3 with x = 0.2 and 0.4) ceramic powders were synthesized at relatively low temperature by ferrioxalate precursor method. Pure compositions did not yield phase pure powders and contain secondary phases. At the same time, La-modification at different concentration levels in BFO promoted the formation of perovskite phase with the elimination of secondary phases and phase pure ceramic powders were obtained for the composition Bi 1− x La x FeO 3 with x = 0.4. Further, the effect of lanthanum substitution on the morphology, electrical and magnetic properties was also investigated. |
| Databáze: | OpenAIRE |
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