Effect of substrate-induced strains on the spontaneous polarization of epitaxial BiFeO3 thin films

被引：90
|
作者：
Zhang, J. X. [1 ]
Li, Y. L.
Wang, Y.
Liu, Z. K.
Chen, L. Q.
Chu, Y. H.
Zavaliche, F.
Ramesh, R.
机构：
[1] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
[2] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA
[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2007年 / 101卷 / 11期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1063/1.2743733
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A single-domain thermodynamic theory is employed to predict the spontaneous polarizations of (001)(c), (101)(c), and (111)(c) oriented epitaxial BiFeO3 thin films grown on dissimilar substrates. The effects of various substrate-induced strains on the spontaneous polarization were studied. The dependences of the spontaneous polarization on film orientations and the types of substrate-induced strains were analyzed. (c) 2007 American Institute of Physics.
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页数：6
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