Ethanol-Assisted Hydrothermal Synthesis and Characterization of BiFeO3 Nanopowders

Well‐crystallized pure BiFeO3 nanopowders were successfully synthesized at the temperature as low as 120°C by an ethanol‐assisted hydrothermal process. In this synthesis, the composition of the solvent played important roles in the formation of pure BiFeO3. The BiFeO3 nanopowders synthesized with 4:...

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Published in:Journal of the American Ceramic Society 2013-05, Vol.96 (5), p.1345-1348
Main Authors: Chen, Zhiwu, Wu, Yongpeng, Hu, Jianqiang
Format: Article
Language:English
Subjects:
Ceramics
Crystal structure
Ethyl alcohol
Ferromagnetism
Magnetization
Nanocomposites
Nanomaterials
Nanostructure
Solvents
Synthesis
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Wu, Yongpeng
Hu, Jianqiang
description Well‐crystallized pure BiFeO3 nanopowders were successfully synthesized at the temperature as low as 120°C by an ethanol‐assisted hydrothermal process. In this synthesis, the composition of the solvent played important roles in the formation of pure BiFeO3. The BiFeO3 nanopowders synthesized with 4:3 ethanol/water ratio mainly consists of cubic structures with size from 50 to 150 nm. Zero‐field‐cooled (ZFC) and field‐cooled (FC) magnetization measurements indicated that pure BiFeO3 nanopowders showed a spin‐glass transition below the freezing temperature. Moreover, the BiFeO3 nanopowders exhibited ferromagnetic order at room temperature.
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subjects Ceramics
Crystal structure
Ethyl alcohol
Ferromagnetism
Magnetization
Nanocomposites
Nanomaterials
Nanostructure
Solvents
Synthesis
title Ethanol-Assisted Hydrothermal Synthesis and Characterization of BiFeO3 Nanopowders
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