Tetragonal BiFeO3 on yttria-stabilized zirconia

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

doi:10.1063/1.4935310

Tetragonal BiFeO₃ on yttria-stabilized zirconia

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

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

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.

Original language	English
Article number	116104
Journal	APL Materials
Volume	3
Issue number	11
DOIs	https://doi.org/10.1063/1.4935310
Publication status	Published - 2015 Nov 1

ASJC Scopus subject areas

General Materials Science
General Engineering

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title = "Tetragonal BiFeO3 on yttria-stabilized zirconia",

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.",

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AU - Liu, Heng Jui

AU - Du, Yu Hao

AU - Gao, Peng

AU - Huang, Yen Chin

AU - Chen, Hsiao Wen

AU - Chen, Yi Chun

AU - Liu, Hsiang Lin

AU - He, Qing

AU - Ikuhara, Yuichi

AU - Chu, Ying Hao

PY - 2015/11/1

Y1 - 2015/11/1

N2 - 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.

AB - 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.

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Tetragonal BiFeO₃ on yttria-stabilized zirconia

Abstract

ASJC Scopus subject areas

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