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Effects on dielectric and magnetic properties of Cr-doped Bi0.9Ba0.1Fe1−xCrxO3 ceramic

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Abstract

In this paper, Cr-doped Bi0.9Ba0.1Fe1−xCrxO3 (x = 0.00, 0.05, 0.10, 0.15, 0.20) ceramic materials were prepared by traditional state solid synthesized method, and the effects of Cr3+ ion on magnetic and dielectric properties were investigated. All samples showed BiFeO3 phase formation were successful synthesized. The SEM images showed the shape of samples changed from regular to irregular shape. With increasing of Cr2+ ions, Saturation magnetization (M s) increased from 5.24 to 8.6 emu/g, and then decreased to 7.31 emu/g, and coercivity (H c) increased from 110.66 to 256.49 Oe. All the samples showed high dielectric constants at low frequency and the values of dielectric constants decreased slightly with frequency increasing. Delectric loss (tanδ) values kept a steady in a wide range frequency of 10–600 MHz. They ranged in tanδ from 0.01 to 0.07, which was a low dielectric loss in Bi0.9Ba0.1Fe1−xCrxO3 ceramics.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China under Grant No. 51132003 and National High-Tech Research and Development Programme of China under Grant No. 2015AA034102.

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Authors and Affiliations

  1. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China

    Qiang Li, Shengxiang Bao, Yuanxun Li, Lijie Song, Wei Jiang & Yongda Hu

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  1. Qiang Li
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  2. Shengxiang Bao
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  3. Yuanxun Li
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  5. Wei Jiang
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Correspondence to Shengxiang Bao.

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Li, Q., Bao, S., Li, Y. et al. Effects on dielectric and magnetic properties of Cr-doped Bi0.9Ba0.1Fe1−xCrxO3 ceramic. J Mater Sci: Mater Electron 26, 8887–8891 (2015). https://doi.org/10.1007/s10854-015-3569-z

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  • DOI: https://doi.org/10.1007/s10854-015-3569-z

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