Preparation of BiFe1-xCoxO3 Film by a Polymer-Assisted Sol-Gel Process and Its Properties
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Abstract:
Pure BiFeO3 (BFO) film and 10%Co-doped BiFeO3 (BFCO) film were deposited on indium tin oxide (ITO)/glass substrates by a polymer-assisted sol-gel process. XRD results confirm that both the films are warping rhombohedral perovskite structure. SEM observation indicates that BFCO film possesses smoother surface and less pinhole than the pure BFO ?lm. Ferroelectric tests show that substitution of Co enhances obviously ferroelectricity and remanent polarization with decrease of leakage current density. The magnetic tests indicate that the magnetic properties of BFCO film are enhanced compared with that of BFO film.
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[Chen Jili, Zhao Lifeng, Xu Jiayang, Huang Zhengyin, Huang Ningxiang, Zhao Yong. Preparation of BiFe1-xCoxO3 Film by a Polymer-Assisted Sol-Gel Process and Its Properties[J]. Rare Metal Materials and Engineering,2010,39(9):1668~1671.] DOI：[doi]