Journal
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
Volume 53, Issue 1, Pages 1-14Publisher
ELSEVIER
DOI: 10.3989/cyv.12014
Keywords
BiFeO3; synthesis; sintering; ferroelectric properties; magnetic properties.
Categories
Funding
- CICYT MAT [2010-16614]
- FPU program of the Spanish Ministry of Education [AP2008-00053]
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BiFeO3-based materials are currently one of the most studied multiferroics due to their possible applications at room temperature. However, among the large number of published papers there is much controversy. For example, possibility of synthesizing a pure BiFeO3 phase is still source of discussion in literature. Not even the nature of the binary Bi2O3-Fe2O3 diagram has been clarified yet. The difficulty in controlling the formation of parasite phases reaches the consolidation step. Accordingly, the sintering conditions must be carefully determined both to get dense materials and to avoid bismuth ferrite decomposition. However, the precise conditions to attain dense bismuth ferrite materials are frequently contradictory among different works. As a consequence, the reported properties habitually result opposed and highly irreproducible hampering the preparation of BiFeO3 materials suitable for practical applications. In this context, the purpose of the present review is to summarize the main researches regarding BiFeO3 synthesis, microstructure and properties in order to provide an easier understanding of these materials.
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