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A kind of Bi1−x Er x FeO3 films with potential excellent multiferroic performances

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Abstract

Bi1−x Er x FeO3 (BE x FO, x = 0.07–0.12) films have been deposited on fluorine-doped SnO2 (FTO) substrates by a chemical solution deposition method (CSD). The structure and multiferroic properties were investigated. The results indicate that there is a structural transition from the typical rhombohedral-R3c:H (BiFeO3) to two-phase coexistence of rhombohedral-R3c:H and rhombohedral-R3m:R (BE x FO). The abundant Fe2+ are observed in BE x FO, which induces the larger leakage current. The BE0.09FO shows the ferroelectric switching current of 1.42 × 10−2 A and the enhanced magnetization (saturation magnetization M s  ~ 2.60 emu/cm3). From the investigation, the BE x FO films will be expected to show the great multiferroic properties after reducing the leakage current.

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Acknowledgements

This work is supported by the Project of the National Natural Science Foundation of China (Grant No. 51372145); the Academic Leaders Funding Scheme of Shaanxi University of Science & Technology (2013XSD06); the Graduate Innovation Fund of Shaanxi University of Science & Technology (SUST-A04).

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  1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi, 710021, China

    Yujuan Zheng, Guoqiang Tan, Huijun Ren & Ao Xia

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  1. Yujuan Zheng
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  2. Guoqiang Tan
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Correspondence to Guoqiang Tan.

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Zheng, Y., Tan, G., Ren, H. et al. A kind of Bi1−x Er x FeO3 films with potential excellent multiferroic performances. J Mater Sci 52, 4903–4909 (2017). https://doi.org/10.1007/s10853-016-0725-7

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  • DOI: https://doi.org/10.1007/s10853-016-0725-7

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