On the imaging mechanism of ferroelectric domains in scanning force microscopy

被引:11
|
作者
Gruverman, A
Tokumoto, H
机构
[1] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
[2] Natl Inst Adv Interdisciplinary Res, Joint Res Ctr Atom Technol, Tsukuba, Ibaraki 305, Japan
关键词
D O I
10.1021/nl005522r
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Scanning force microscopy (SFM) studies of the domain structure in ferroelectric thin films on a nonmetal substrate allowed direct assessment of the electrostatic mechanism contribution to the domain contrast in the SFM contact mode. It has been shown that the polarization charges of the ferroelectric film are effectively compensated. This result suggests secondary effect of the electrostatic tip-sample interaction on domain imaging mechanism in ferroelectric thin films in contact SFM compared to the major contribution of the piezoelectric effect.
引用
收藏
页码:93 / 95
页数:3
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