Electron emission and phase transition of Zr-rich lead zirconate titanate ferroelectrics

被引：0
|
作者：
Chen, Shutao
Dong, Xianlin [1 ]
Zheng, Shuxin
Zhu, Ziqiu
Tang, Chuanxiang
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Tsing Hua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 11-12期
关键词：
ferroelectrics; electrical properties; electronic materials; electron beam technology;
D O I：
10.1016/j.matlet.2006.09.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This letter focuses on understanding the influences of antiferroelectric-ferroelectric (AFE-FE) phase transition on the ferroelectric electron emission process. The piezoelectric constant and electron emission current of un-prepoled PZT 96.5/3.5 ceramics as a function of emission times were studied. The hysteresis loops of PZT 96.5/3.5 ceramics before and after the electron emission process were presented. The results show that emission currents obtained from PZT 96.5/3.5 ferroelectrics in different phase states were similar. It was difficult to explain the experiment results using the fast AFE-FE phase transition model. Electron emission from PZT 96.5/3.5 ferroelectrics was independent of the AFE-FE phase transition. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2439 / 2442
页数：4
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