標題: Tetragonal BiFeO3 on yttria-stabilized zirconia
作者: 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
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 1-Nov-2015
摘要: 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. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
URI: http://dx.doi.org/10.1063/1.4935310
http://hdl.handle.net/11536/129396
ISSN: 2166-532X
DOI: 10.1063/1.4935310
期刊: APL MATERIALS
Volume: 3
Issue: 11
起始頁: 0
結束頁: 0
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