A promising sol-gel route to suppress pyrochlore phase during the synthesis of multiferroic Pb(Fe2/3W1/3)O3 using inorganic salts

C. F. Yao; Z. Q. Liu; J. K. Shang

doi:10.1016/j.jallcom.2010.04.190

A promising sol-gel route to suppress pyrochlore phase during the synthesis of multiferroic Pb(Fe_2/3W_1/3)O₃ using inorganic salts

C. F. Yao, Z. Q. Liu, J. K. Shang

Materials Science and Engineering

Research output: Contribution to journal › Article

Abstract

This paper reports a promising route to synthesize multiferroic Pb(Fe _2/3W_1/3)O₃ by sol-gel method with inorganic salts of (CH₃COO)₂Pb·H₂O, Fe(NO ₃)₃·9H₂O, and (NH₄)5H ₅[H₂(WO₄)₆]·H₂O. The pyrochlore phase was largely suppressed by increasing the calcination temperature, and high purity of perovskite phase was obtained at 725 °C which is much lower than the temperature used in other synthesizing processes. Microstructural investigations revealed that the synthesized Pb(Fe _2/3W_1/3)O₃ particles have cubic morphology and superlattice crystal structure. The formation of Pb(Fe_2/3W _1/3)O₃ was not sensitive to the pH value of the solution, which is another advantage of this sol-gel method.

Original language	English (US)
Pages (from-to)	429-433
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	502
Issue number	2
DOIs	https://doi.org/10.1016/j.jallcom.2010.04.190
State	Published - Jul 23 2010

Keywords

Morphology
Pb(FeW)O
Perovskite
Pyrochlore
Sol-gel

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Yao, C. F., Liu, Z. Q., & Shang, J. K. (2010). A promising sol-gel route to suppress pyrochlore phase during the synthesis of multiferroic Pb(Fe_2/3W_1/3)O₃ using inorganic salts. Journal of Alloys and Compounds, 502(2), 429-433. https://doi.org/10.1016/j.jallcom.2010.04.190

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abstract = "This paper reports a promising route to synthesize multiferroic Pb(Fe 2/3W1/3)O3 by sol-gel method with inorganic salts of (CH3COO)2Pb·H2O, Fe(NO 3)3·9H2O, and (NH4)5H 5[H2(WO4)6]·H2O. The pyrochlore phase was largely suppressed by increasing the calcination temperature, and high purity of perovskite phase was obtained at 725 °C which is much lower than the temperature used in other synthesizing processes. Microstructural investigations revealed that the synthesized Pb(Fe 2/3W1/3)O3 particles have cubic morphology and superlattice crystal structure. The formation of Pb(Fe2/3W 1/3)O3 was not sensitive to the pH value of the solution, which is another advantage of this sol-gel method.",

keywords = "Morphology, Pb(FeW)O, Perovskite, Pyrochlore, Sol-gel",

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AU - Yao, C. F.

AU - Liu, Z. Q.

AU - Shang, J. K.

PY - 2010/7/23

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N2 - This paper reports a promising route to synthesize multiferroic Pb(Fe 2/3W1/3)O3 by sol-gel method with inorganic salts of (CH3COO)2Pb·H2O, Fe(NO 3)3·9H2O, and (NH4)5H 5[H2(WO4)6]·H2O. The pyrochlore phase was largely suppressed by increasing the calcination temperature, and high purity of perovskite phase was obtained at 725 °C which is much lower than the temperature used in other synthesizing processes. Microstructural investigations revealed that the synthesized Pb(Fe 2/3W1/3)O3 particles have cubic morphology and superlattice crystal structure. The formation of Pb(Fe2/3W 1/3)O3 was not sensitive to the pH value of the solution, which is another advantage of this sol-gel method.

AB - This paper reports a promising route to synthesize multiferroic Pb(Fe 2/3W1/3)O3 by sol-gel method with inorganic salts of (CH3COO)2Pb·H2O, Fe(NO 3)3·9H2O, and (NH4)5H 5[H2(WO4)6]·H2O. The pyrochlore phase was largely suppressed by increasing the calcination temperature, and high purity of perovskite phase was obtained at 725 °C which is much lower than the temperature used in other synthesizing processes. Microstructural investigations revealed that the synthesized Pb(Fe 2/3W1/3)O3 particles have cubic morphology and superlattice crystal structure. The formation of Pb(Fe2/3W 1/3)O3 was not sensitive to the pH value of the solution, which is another advantage of this sol-gel method.

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