A co-precipitation technique for the preparation of ferroelectric BaBi2Ta2O9

S. R. Dhage; R. Pasricha; A. Vadivel Murugan; V. Ravi

doi:10.1016/j.matchemphys.2005.09.036

A co-precipitation technique for the preparation of ferroelectric BaBi₂Ta₂O₉

S. R. Dhage, R. Pasricha, A. Vadivel Murugan, V. Ravi

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Abstract

A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase BaBi₂Ta₂O₉ (BBT). Ammonium hydroxide and ammonium oxalate were used to precipitate Ba²⁺, Bi³⁺ and Ta⁵⁺ cations simultaneously. No pyrochlore phase was found while heating powder at 800 °C and pure BaBi₂Ta₂O₉ phase was found to be formed by X-ray diffraction. Particle size and morphology was studied by transmission electron spectroscopy (TEM). The room temperature dielectric constant at 1 kHz is 350. The ferroelectric hysteresis loop parameters of these samples were also studied.

Original language	English (US)
Pages (from-to)	344-346
Number of pages	3
Journal	Materials Chemistry and Physics
Volume	98
Issue number	2-3
DOIs	https://doi.org/10.1016/j.matchemphys.2005.09.036
State	Published - Aug 1 2006

Keywords

Ceramics
Chemical synthesis
Electronic material
Ferroelectricity
Oxides

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

Access to Document

10.1016/j.matchemphys.2005.09.036

Cite this

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title = "A co-precipitation technique for the preparation of ferroelectric BaBi2Ta2O9",

abstract = "A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase BaBi2Ta2O9 (BBT). Ammonium hydroxide and ammonium oxalate were used to precipitate Ba2+, Bi3+ and Ta5+ cations simultaneously. No pyrochlore phase was found while heating powder at 800 °C and pure BaBi2Ta2O9 phase was found to be formed by X-ray diffraction. Particle size and morphology was studied by transmission electron spectroscopy (TEM). The room temperature dielectric constant at 1 kHz is 350. The ferroelectric hysteresis loop parameters of these samples were also studied.",

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T1 - A co-precipitation technique for the preparation of ferroelectric BaBi2Ta2O9

AU - Dhage, S. R.

AU - Pasricha, R.

AU - Vadivel Murugan, A.

AU - Ravi, V.

PY - 2006/8/1

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N2 - A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase BaBi2Ta2O9 (BBT). Ammonium hydroxide and ammonium oxalate were used to precipitate Ba2+, Bi3+ and Ta5+ cations simultaneously. No pyrochlore phase was found while heating powder at 800 °C and pure BaBi2Ta2O9 phase was found to be formed by X-ray diffraction. Particle size and morphology was studied by transmission electron spectroscopy (TEM). The room temperature dielectric constant at 1 kHz is 350. The ferroelectric hysteresis loop parameters of these samples were also studied.

AB - A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase BaBi2Ta2O9 (BBT). Ammonium hydroxide and ammonium oxalate were used to precipitate Ba2+, Bi3+ and Ta5+ cations simultaneously. No pyrochlore phase was found while heating powder at 800 °C and pure BaBi2Ta2O9 phase was found to be formed by X-ray diffraction. Particle size and morphology was studied by transmission electron spectroscopy (TEM). The room temperature dielectric constant at 1 kHz is 350. The ferroelectric hysteresis loop parameters of these samples were also studied.

KW - Ceramics

KW - Chemical synthesis

KW - Electronic material

KW - Ferroelectricity

KW - Oxides

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