A giant polarization value of Zn and Mn co-modified bismuth ferrite thin films

被引：49

作者：

Wu, Jiagang ^{[1
]}

Qiao, Sha ^{[1
]}

Wang, John ^{[2
]}

Xiao, Dingquan ^{[1
]}

Zhu, Jianguo ^{[1
]}

机构：

[1] Sichuan Univ, Dept Mat Sci, Chengu 610064, Peoples R China

[2] Natl Univ Singapore, Fac Engn, Dept Mat Sci & Engn, Singapore 117574, Singapore

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 05期

基金：

美国国家科学基金会;

关键词：

EARTH-SUBSTITUTED BIFEO3; FERROELECTRIC PROPERTIES;

D O I：

10.1063/1.4790380

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A giant remanent polarization of BiFeO3 thin films is obtained by introducing Zn and Mn, and Bi(Fe0.93Mn0.05Zn0.02)O-3 (BFMZO) thin films were prepared on SrRuO3-buffered silicon substrates by the radio-frequency sputtering. An (111) orientation is induced in such a film because of the introduction of an SrRuO3 buffer layer. An enhanced ferroelectric behavior of 2P(r) similar to 235 mu C/cm(2) and 2E(c) similar to 612 kV/cm is observed in BFMZO thin films, together with a fatigue-free behavior. As a result, the introduction of Zn and Mn is a good way to improve the electrical behavior of BiFeO3 thin films. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790380]

引用

页数：3

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