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Large remanent polarization and enhanced magnetic properties in non-quenched Bi(Fe,Ga)O3-(Ba,Ca)(Zr,Ti)O3multiferroic ceramics
Liu, Ningtao1,2; Liang, Ruihong1; Liu, Zhen1; Zhou, Zhiyong1; Xu, Chenhong1,2; Wang, Genshui1; Dong, Xianlin1
2017
发表期刊Applied Physics Letters
ISSN00036951
卷号110期号:11
摘要It is a tough issue to release the underlying polarization and magnetization simultaneously in non-quenched polycrystalline BiFeO3ceramics due to their high conductivity, intensive domain-wall clamping, and long range spiral spin arrangement. Here, 0.75BiFe0.98Ga0.02O3-0.25(Ba0.85Ca0.15)(Zr0.10Ti0.90)O3multiferroic ceramics were fabricated by a conventional solid-state reaction with a non-quenched method. The crystalline structure analysis revealed that the ceramics showed a rhombohedral (R3c) perovskite structure. Superior ferroelectricity was observed in the ceramics with high remanent polarization (44 μC/cm2), which has been re-verified by PUND measurement to exclude the contribution of leakage current. Moreover, enhanced ferromagnetism with remanent magnetization (0.20 emu/g) was also obtained at 300 K. We have demonstrated that the observed macroscopic magnetization was attributed to the canting of the spins due to melting away of the spiral structure rather than other Fe-containing impurity phases. The excellent ferroelectric and ferromagnetic performance suggests that this non-quenched lead-free BiFeO3-based ceramics are quite promising multiferroic materials. © 2017 Author(s).
DOI10.1063/1.4978651
EI入藏号20171203467362
EI主题词Ferroelectric ceramics
EI分类号482.2 Minerals - 701.1 Electricity: Basic Concepts and Phenomena - 701.2 Magnetism: Basic Concepts and Phenomena - 708.1 Dielectric Materials - 802.2 Chemical Reactions - 812.1 Ceramics
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25829
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
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Liu, Ningtao,Liang, Ruihong,Liu, Zhen,et al. Large remanent polarization and enhanced magnetic properties in non-quenched Bi(Fe,Ga)O3-(Ba,Ca)(Zr,Ti)O3multiferroic ceramics[J]. Applied Physics Letters,2017,110(11).
APA Liu, Ningtao.,Liang, Ruihong.,Liu, Zhen.,Zhou, Zhiyong.,Xu, Chenhong.,...&Dong, Xianlin.(2017).Large remanent polarization and enhanced magnetic properties in non-quenched Bi(Fe,Ga)O3-(Ba,Ca)(Zr,Ti)O3multiferroic ceramics.Applied Physics Letters,110(11).
MLA Liu, Ningtao,et al."Large remanent polarization and enhanced magnetic properties in non-quenched Bi(Fe,Ga)O3-(Ba,Ca)(Zr,Ti)O3multiferroic ceramics".Applied Physics Letters 110.11(2017).
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