Mapping nanoscale domains in a sol-gel-derived (Pb, La) (Zr, Ti)O3 thin film using atomic force microscopy

被引：0
|
作者：
Ba, L [1 ]
Shu, J
Sun, P
Lu, ZH
机构：
[1] SE Univ, Lab Mol & Biomol Elect, Nanjing 210096, Peoples R China
[2] SE Univ, Dept Elect Engn, Nanjing 210096, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2003年 / 20卷 / 04期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Local polarization of a sol-gel-derived (Pb,La)(Zr,Ti)O-3 thin Elm is studied from its piezoelectric response measured by using atomic force microscopy. Topographic and piezoelectric images show that the domain sizes of spontaneous polarization and grain sizes are both within the range of tens to hundreds of nanometres. Nanosized domain arrays have been written in an unpoled region to realize data storage by applying pulse voltage. The results show that the domain sizes grow exponentially when the pulse duration increases.
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页码：465 / 468
页数：4
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