Ethanol‐Assisted Hydrothermal Synthesis and Characterization of BiFeO 3 Nanopowders

Well‐crystallized pure BiFeO 3 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 BiFeO 3 . The BiFeO 3 nanopowders synthesized wit...

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Bibliographic Details
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
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Summary:Well‐crystallized pure BiFeO 3 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 BiFeO 3 . The BiFeO 3 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 BiFeO 3 nanopowders showed a spin‐glass transition below the freezing temperature. Moreover, the BiFeO 3 nanopowders exhibited ferromagnetic order at room temperature.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.12296