Depolarization field as a driving force of fatigue in PZT ferroelectric thin films

被引：5
作者：
Lemanov, VV
Yarmarkin, VK
机构：
[1] A. F. Ioffe Phys.-Tech. Institute, Russian Academy of Sciences, St. Petersburg 194021
来源：
FERROELECTRICS | 1997年 / 201卷 / 1-4期
关键词：
D O I：
10.1080/00150199708228353
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study has been made of the dependence of switched charge in ferroelectric lead-zirconate-titanate films on the number of polarization reversal cycles produced by bipolar voltage pulses of fixed amplitude and duration under variation of their repetition rate. The film fatigue in the polarization switching frequency range studied (100 Hz - 100 kHz) has been shown to be dominated by the depolarization field caused by the presence in the near-electrode film regions of a pyrochlore-structure nonferroelectric phase.
引用
收藏
页码：55 / 64
页数：10
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