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Título: | Combination of structural and microstructural effects in the multiferroic response of Nd and Ti co-doped BiFeO3 bulk ceramics |
Autor: | Gumiel, Carlos; Jardiel, Teresa CSIC ORCID ; Bernardo, M. S. CSIC ORCID; Villanueva, Pablo G.; Urdiroz, Unai; Cebollada, F.; Aragó, C.; Caballero Cuesta, Amador CSIC ORCID; Peiteado, Marco CSIC ORCID | Palabras clave: | BiFeO3 rare-earth doping R3c to Pbam transition Rhombohedral distortion Piezoelectric properties Magnetic properties |
Fecha de publicación: | 2019 | Editor: | Pergamon Press | Citación: | Ceramics International 45: 5276- 5283 (2019) | Resumen: | [EN] Different dopant strategies are currently under investigation in order to overcome the many problems that limit the commercial viability of BiFeO-based ceramic devices. Neodymium substitution onto the A site of the perovskite lattice provokes significant changes in the crystal structure of the parent material which can derive in enhanced multiferroic properties, but the conductivity in the bulk system is still too high. Titanium doping on the other hand generates a distinctive micro-nanostructure in the consolidated ceramics which can largely increase the dc resistivity of the whole material. A combination of these two effects is here attempted in a co-doping approach which evidences that the microstructural effect caused upon Ti-doping, provoking a reduction of the leakage currents, eventually allows the co-doped material to capitalize on the unique piezoelectric and magnetic properties structurally triggered by the Nd-doping. | Versión del editor: | http://dx.doi.org/10.1016/j.ceramint.2018.11.225 | URI: | http://hdl.handle.net/10261/211771 | DOI: | 10.1016/j.ceramint.2018.11.225 | Identificadores: | doi: 10.1016/j.ceramint.2018.11.225 issn: 0272-8842 e-issn: 1873-3956 |
Aparece en las colecciones: | (ICV) Artículos (ICMM) Artículos |
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Ceramics International_C Gumiel_2018.pdf | 1,73 MB | Adobe PDF | Visualizar/Abrir |
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