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Rapid Communication | Open Access

Enhanced ferroelectricity and magnetism of quenched (1-x)BiFeO3-xBaTiO3 ceramics

Han BAI, Jun LI( ), Yang HONG, Zhongxiang ZHOU( )
School of Physics, Harbin Institute of Technology, Harbin 150001, China
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Abstract

Bismuth ferrite (BiFeO3)-based materials are multiferroic materials widely studied. This study reports that strong ferroelectricity and enhanced magnetic performance are simultaneously obtained in the quenched (1-x)BiFeO3-xBaTiO3 (BFBT100x, x = 0.2 and 0.3) ceramics. Quenching treatment can reduce the amount of defects and Fe2+ ions and make the defect dipole in a random state, which is conducive to improving the ferroelectricity and magnetism. Compared with the conventional sintered samples, the quenched ceramics have higher remnant and saturation polarization. As for magnetism, the coercive field (Hc) of the quenched ceramics is smaller and the quenching treatment can increase the maximum magnetization by up to 15%.

Keywords

multiferroicsbismuth ferrite (BiFeO3)-based ceramicsquenching treatment

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Journal of Advanced Ceramics
Volume 9 Issue 4,
August 2020
Pages 511-516
DOI: 10.1007/s40145-020-0384-7

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BAI H, LI J, HONG Y, et al. Enhanced ferroelectricity and magnetism of quenched (1-x)BiFeO3-xBaTiO3 ceramics. Journal of Advanced Ceramics, 2020, 9(4): 511-516. https://doi.org/10.1007/s40145-020-0384-7

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Received: 08 March 2020
Revised: 06 May 2020
Accepted: 07 May 2020
Published: 25 June 2020
© The Author(s) 2020

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