Nano Archive

Preparation of nanocrystalline ferroelectric BaBi4Ti4O15 by Pechini method

Murugan, A. Vadivel and Navale, S. C. and Ravi, V (2006) Preparation of nanocrystalline ferroelectric BaBi4Ti4O15 by Pechini method. Materials Letters, 60 (8). 1023 - 1025.

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A gel was formed when an aqueous solution of BaCl2, BiNO3, TiOCl2 and citric acid in stoichiometric ratio is heated on a water bath. This gel on decomposition at 600 °C produced the nano crystallites of ternary oxide, BaBi4Ti4O15 (BBT). The phase contents and lattice parameters were studied by the powder X-ray diffraction (XRD). Particle size and morphology was studied by transmission electron spectroscopy (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.

Item Type:Article
Uncontrolled Keywords:Powders chemical preparation; Electron microscopy; Dielectric properties; Ferroelectric properties
Subjects:Material Science > Nanostructured materials
ID Code:6812
Deposited By:SPI
Deposited On:06 Feb 2010 11:44
Last Modified:06 Feb 2010 11:44

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