Pulse width dependent polarizations of ferroelectric (Pb,La)(Zr,Ti)O3 thin film capacitors

被引：4
|
作者：
Song, TK [1 ]
机构：
[1] Chungnam Natl Univ, Dept Phys, Taejon 305764, South Korea
来源：
INTEGRATED FERROELECTRICS | 2000年 / 29卷 / 3-4期
关键词：
ferroelectric; switching; polarization; hysteresis; poling;
D O I：
10.1080/10584580008222242
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report the measurements of pulse polarizations of (Pb,La)(Zr,Ti)O-3 ferroelectric capacitors as a function of pulse width. Pulse polarizations were measured from the switching current responses in the pulse width range from 1 mus to 1 s. The relation between pulse polarizations(switched(P*) and non-switched polarization(P-boolean AND)) and hysteresis loop parameters was studied. In the case of all write/read pulse widths are same. P* increased but P-boolean AND decreased with increasing pulse width. These results are explained by poling effects and confirmed by measuring pulse width dependencies with different patterns of pulse trains.
引用
收藏
页码：233 / 249
页数：17
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