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Permanent ferroelectric retention of BiFeO3 mesocrystal

Hsieh, Ying-Hui; Xue, Fei; Yang, Tiannan; Liu, Heng-Jui; Zhu, Yuanmin; Chen, Yi-Chun; Zhan, Qian; Duan, Chun-Gang; Chen, Long-Qing; He, Qing; Chu, Ying-Hao

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Authors

Ying-Hui Hsieh

Fei Xue

Tiannan Yang

Heng-Jui Liu

Yuanmin Zhu

Yi-Chun Chen

Qian Zhan

Chun-Gang Duan

Long-Qing Chen

Ying-Hao Chu



Abstract

Non-volatile electronic devices based on magnetoelectric multiferroics have triggered new possibilities of outperforming conventional devices for applications. However, ferroelectric reliability issues, such as imprint, retention and fatigue, must be solved before the realization of practical devices. In this study, everlasting ferroelectric retention in the heteroepitaxially constrained multiferroic mesocrystal is reported, suggesting a new approach to overcome the failure of ferroelectric retention. Studied by scanning probe microscopy and transmission electron microscopy, and supported via the phase-field simulations, the key to the success of ferroelectric retention is to prevent the crystal from ferroelastic deformation during the relaxation of the spontaneous polarization in a ferroelectric nanocrystal.

Citation

Hsieh, Y., Xue, F., Yang, T., Liu, H., Zhu, Y., Chen, Y., …Chu, Y. (2016). Permanent ferroelectric retention of BiFeO3 mesocrystal. Nature Communications, 7, Article 13199. https://doi.org/10.1038/ncomms13199

Journal Article Type Article
Acceptance Date Sep 12, 2016
Online Publication Date Oct 26, 2016
Publication Date Oct 26, 2016
Deposit Date Dec 5, 2016
Publicly Available Date Dec 9, 2016
Journal Nature Communications
Publisher Nature Research
Peer Reviewed Peer Reviewed
Volume 7
Article Number 13199
DOI https://doi.org/10.1038/ncomms13199

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