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Tetragonal BiFeO3 on yttria-stabilized zirconia

Liu, Heng-Jui; Du, Yu-Hao; Gao, Peng; Huang, Yen-Chin; Chen, Hsiao-Wen; Chen, Yi-Chun; Liu, Hsiang-Lin; He, Qing; Ikuhara, Yuichi; Chu, Ying-Hao

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Authors

Heng-Jui Liu

Yu-Hao Du

Peng Gao

Yen-Chin Huang

Hsiao-Wen Chen

Yi-Chun Chen

Hsiang-Lin Liu

Yuichi Ikuhara

Ying-Hao Chu



Abstract

High structural susceptibility of multiferroic BiFeO3 (BFO) makes it a potential replacement of current Pb-based piezoelectrics. In this study, a tetragonal phase is identified based on a combination of x-ray diffraction, scanning transmission electronic microscopy, x-ray absorption spectroscopy, and Raman spectroscopy when BFO is grown on yttria-stabilized zirconia (YSZ) substrates. To distinguish the discrepancy between this tetragonal phase and common cases of monoclinic BFO, piezoelectric force microscopy images and optical property are also performed. It shows a lower electrostatic energy of ferroelectric domains and a large reduction of band gap for BFO grown on YSZ substrate comparing to the well-known one grown on LaAlO3 substrate. Our findings in this work can provide more insights to understand the structural diversity of multiferroic BFO system for further applications.

Citation

Liu, H., Du, Y., Gao, P., Huang, Y., Chen, H., Chen, Y., …Chu, Y. (2015). Tetragonal BiFeO3 on yttria-stabilized zirconia. APL Materials, 3(11), Article 116104. https://doi.org/10.1063/1.4935310

Journal Article Type Article
Acceptance Date Oct 22, 2015
Online Publication Date Nov 5, 2015
Publication Date Nov 5, 2015
Deposit Date Dec 5, 2016
Publicly Available Date Mar 29, 2024
Journal APL Materials
Publisher American Institute of Physics
Peer Reviewed Peer Reviewed
Volume 3
Issue 11
Article Number 116104
DOI https://doi.org/10.1063/1.4935310

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