Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 102, Issue 4, Pages 1768-1775Publisher
WILEY
DOI: 10.1111/jace.16014
Keywords
bismuth ferrite; ceramics; insitu neutron diffraction; multiferroics
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Funding
- Australian Research Council Discovery [DP120103968, DP130100415, HI 1867/1 - 1]
- Deutsche Forschungsgemeinschaft (DFG) [DP120103968, DP130100415, HI 1867/1 - 1]
- Slovenian Research Agency
- Australian Nuclear Science and Technology Organisation
- Australian Synchrotron
- European Synchrotron
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Antiferromagnetic domain switching induced by ferroelectric polarization switching has previously been observed insitu in both multiferroic BiFeO3 single crystals and thin films. Despite a number of reports on macroscopic magnetoelectric measurements on polycrystalline BiFeO3, direct insitu observation of electric-field-induced antiferromagnetic domain switching in this material has not been addressed due to the lack of high-quality samples capable of electrical poling. Here, the electric field control of antiferromagnetic domain texture is identified in polycrystalline BiFeO3 using insitu neutron diffraction, showing the resultant magnetic domain reorientation induced by an electric field. An antiferromagnetic domain reorientation to a value of 2.2-2.5 multiples of a random distribution (MRD) is found to be induced by an electric field that provides a non-180 degrees ferroelectric-ferroelastic domain texture of 2.2-2.5 MRD along the field direction. The current results show well-controlled coupling of multiferroic domain texturing in single-phase polycrystalline BiFeO3.
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