Abstract
This paper introduces the solid-phase preparation of bismuth ferrite-based multiferroic ceramics (1 − x BiFeO3-x BaTiO3). After the Ba and Ti doping, it can be observed from the XRD pattern that the crystal structure of the sample changes obviously. From the picture obtained from the SEM test, the grain size of the doped samples was significantly reduced. Pure BiFeO3 (BFO) showed a large leakage current, and in the leakage current test, we found that the leakage current of Ba, Ti-doped samples decreased significantly, which may be related to doping, leading to oxygen vacancy reduction. From the magnetization hysteresis loops, we can see that the ferromagnetism of the doped samples was significantly improved compared to pure BFO, because Ba, Ti doping destroys the G-type antiferromagnetic sequence of pure BFO, thereby enhancing the ferromagnetic properties.
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Funding
We acknowledge the financial support from the National Basic Research Program of China (2015CB932200); the Synergetic Innovation Center for Organic Electronics and Information Displays; the National Synergetic Innovation Center for Advanced Materials (SICAM); the Natural Science Foundation of Jiangsu Province, China (BM2012010); the project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD, YX03001); the Program for Changjiang Scholars and Innovative Research Team in University (IRT1148); the Natural Science Foundation of Jiangsu Province (BK20150860); NUPTSF (Grant Nos. NY213103, NY214181, NY215077, and NY215022); and the National Natural Science Foundation of China (51372119, 51602161, 61402240).
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Yao, Q., Xu, X., He, Y. et al. Improved Ferroelectric and Ferromagnetic Properties of 1 − xBiFeO3-xBaTiO3 Ceramics. J Supercond Nov Magn 32, 1001–1005 (2019). https://doi.org/10.1007/s10948-018-4795-4
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DOI: https://doi.org/10.1007/s10948-018-4795-4