Mechanical switching of ferroelectric polarization in ultrathin BaTiO3 films: The effects of epitaxial strain
Mechanical switching of ferroelectric polarization in ultrathin BaTiO3 films: The effects of epitaxial strain
复制标题
超薄 BaTiO3 薄膜中铁电极化的机械转换:外延应变的影响
DOI:
10.1063/1.4863855
复制
发表时间:
2014-01
影响因子:
4
通讯作者:
Wu Di
中科院分区:
文献类型:
--
作者:
Wen Zheng;Qiu Xiangbiao;Li Chen;Zheng Chunyan;Ge Xiaohui;Li Aidong;Wu Di
Electrical switching of spontaneous polarizations has been intensively studied for decades in ferroelectric thin films for non-volatile memory applications. Recent advances have shown that the polarization in ultrathin ferroelectric films can also be switched by a mechanical loading force owing to the flexoelectric effect. In this work, we report the strain effects on the mechanical switching in 12-unit-cell-thick BaTiO3 ultrathin films grown coherently on SrRuO3-buffered SrTiO3, DyScO3, and GdScO3 substrates. The mechanical threshold for polarization reversal increases with increasing in-plane compressive strain, associated with the increased coercive field for electrical polarization switching. These are ascribed to the increase of switching barrier in BaTiO3 thin films as the compressive strain increases.
登录
查看更多内容
影响因子:
10.8
作者:
Kim, Yunseok;Kelly, Simon J.;Kalinin, Sergei V.
通讯作者:
Kalinin, Sergei V.
影响因子:
64.8
作者:
P. Zubko;J. Triscone
通讯作者:
P. Zubko;J. Triscone
影响因子:
4
作者:
Koster, G;Kropman, BL;Rogalla, H
通讯作者:
Rogalla, H
DOI:
10.5772/10499
发表时间:
2010-12
期刊:
--
影响因子:
--
作者:
Tianyi Cai;S. Ju;Jian Wang;Zhen-ya Li
通讯作者:
Tianyi Cai;S. Ju;Jian Wang;Zhen-ya Li
DOI:
--
发表时间:
2012
期刊:
--
影响因子:
--
作者:
H. Lu;C. Bark;D. E. L. Ojos;J. Alcalá;C. Eom;G. Catalán;-A.;Gruverman
通讯作者:
H. Lu;C. Bark;D. E. L. Ojos;J. Alcalá;C. Eom;G. Catalán;-A.;Gruverman