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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 164Low-Temperature Synthesis and Characterization of...

Low-Temperature Synthesis and Characterization of Single-Phase BiFeO₃ Nano-Crystallites

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Abstract:

Single-phase BiFeO₃ (BFO) nano-crystallites were successfully synthesized in the temperature range of 500  750 oC by a simple diluted HNO3 sol method. During the crystallization process no intermediate phases were observed. As an example, we studied the electronic structure and thermodynamic stability of the BFO nano-crystallites calcined at 750 oC by X-ray photoelectron spectroscopy (XPS) and differential scanning calorimetry (DSC). The XPS showed that the oxidation state of Fe is Fe3+. The DSC indicated a novel exothermic peak at about 769 oC during cooling, which might be due to Bi2Fe4O9 or some other phases produced in the decomposition of BFO at high temperature.

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Applied Mechanics, Materials, Industry and Manufacturing Engineering

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Periodical:

Applied Mechanics and Materials (Volume 164)

Pages:

115-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.164.115

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Online since:

April 2012

Authors:

Hui Fen Guo, Shu Xia Guo, Li Ben Li

Keywords:

BiFeO₃, Nano-Crystallites, Single-Phase, Synthesis

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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