Preparation of nanocrystalline ferroelectric BaBi4Ti4O15 by Pechini method
A gel was formed when an aqueous solution of BaCl2, BiNO3, TiOCl2 and citric acid in stoichiometric ratio was heated on a water bath. This gel on decomposition at 600 C produced the nanocrystallites of ternary oxide, BaBi4Ti4O15 (BBT). The phase contents and lattice parameters were studied by powder...
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| Veröffentlicht in: | Materials letters 2006-04, Vol.60 (8), p.1023-1025 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | A gel was formed when an aqueous solution of BaCl2, BiNO3, TiOCl2 and citric acid in stoichiometric ratio was heated on a water bath. This gel on decomposition at 600 C produced the nanocrystallites of ternary oxide, BaBi4Ti4O15 (BBT). The phase contents and lattice parameters were studied by powder XRD. Particle size and morphology were studied by TEM. The room temperature dielectric constant at 1 kHz is 90. The ferroelectric hysteresis loop parameters of these samples were also studied by a home built Sawyer-Tower circuit. 11 refs. |
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| ISSN: | 0167-577X |
| DOI: | 10.1016/j.matlet.2005.10.068 |