Improvement of electric fatigue in PLZT ferroelectric capacitors due to zirconia incorporation

被引：15
|
作者：
Zhang, NX [1 ]
Li, LT [1 ]
Gui, ZL [1 ]
机构：
[1] Tsing Hua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2001年 / 72卷 / 01期
基金：
中国国家自然科学基金;
关键词：
electric fatigue; ferroelectrics; PLZT/zirconia composites; complex impedance spectra;
D O I：
10.1016/S0254-0584(01)00303-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fatigue properties induced by cyclic electric loading in PLZT capacitors incorporating zirconia were investigated. The improvement of fatigue properties was achieved with increasing the amount of incorporated zirconia. During the fatigue process, the onset of fatigue, which is characterized by the fast decrease of switchable polarization, was delayed in composite PLZT/zirconia, compared to the monolithic PLZT samples. After about 10(6) polarization reverse cycles in composite samples, the capacitors seemed to show no sign of deterioration in saturated or remanent polarization. A higher resistivity was observed in the PLZT/zirconia compared to monolithic PLZT ceramics during the measurement of complex ac impedance spectroscopy. According to the dynamic behavior of oxygen vacancies during the electric switching process, the mechanism of enhancement of the fatigue properties was attributed to the low content of oxygen vacancies in bulk ceramics and less pinning effect to ferroelectric domain walls. (C) 2001 Elsevier Science BN. All rights reserved.
引用
收藏
页码：5 / 10
页数：6
相关论文
共 50 条
  • [1] Degradation of piezoelectric and dielectric relaxation properties due to electric fatigue in PLZT ferroelectric capacitors
    Zhang, NX
    Li, LT
    Gui, XL
    [J]. MATERIALS LETTERS, 2001, 48 (01) : 39 - 43
  • [2] Improvement of electric fatigue properties in PLZT ferroelectric ceramics due to SrBi2Ta2O9 incorporation
    Zhang, NX
    Li, LT
    Li, BR
    Guo, D
    Gui, ZL
    [J]. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 2002, 90 (1-2): : 185 - 190
  • [3] Effect of temperature on electric fatigue behaviour of PLZT ferroelectric ceramics
    Chen, ZW
    Cheng, X
    Zhang, Y
    [J]. RARE METAL MATERIALS AND ENGINEERING, 2004, 33 (08) : 847 - 851
  • [4] Effect of temperature on electric fatigue behaviour of PLZT ferroelectric ceramics
    Chen, Zhiwu
    Cheng, Xuan
    Zhang, Ying
    [J]. Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering, 2004, 33 (08): : 847 - 851
  • [5] EFFECTS OF POROSITY ON ELECTRIC FATIGUE BEHAVIOR IN PLZT AND PZT FERROELECTRIC CERAMICS
    JIANG, QY
    CROSS, LE
    [J]. JOURNAL OF MATERIALS SCIENCE, 1993, 28 (16) : 4536 - 4543
  • [6] Influence of silver addition on electric fatigue properties in PLZT ferroelectric ceramics
    Zhang, NX
    Li, LT
    Gui, ZL
    [J]. JOURNAL OF MATERIALS SCIENCE LETTERS, 2001, 20 (07) : 675 - 676
  • [7] Studies on the preparation and characterization of ferroelectric PLZT film capacitors
    Liu, Li
    Wang, Hua
    Xu, JiWen
    Ren, MingFang
    Yang, Ling
    [J]. MECHANICAL AND AEROSPACE ENGINEERING, PTS 1-7, 2012, 110-116 : 5483 - +
  • [8] Cyclic fatigue due to electric loading in ferroelectric ceramics
    Weitzing, H
    Schneider, GA
    Steffens, J
    Hammer, M
    Hoffmann, MJ
    [J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 1999, 19 (6-7) : 1333 - 1337
  • [9] Non-destructive investigation of microstructure evolution due to ferroelectric fatigue in PLZT ceramics
    Zhang, NX
    Li, LT
    Gui, ZL
    [J]. MATERIALS LETTERS, 2002, 56 (03) : 244 - 247
  • [10] Frequency spectrum of ferroelectric fatigue in PLZT ceramics
    Zhang, NX
    Li, ST
    Qi, JQ
    Gui, ZL
    [J]. FERROELECTRICS, 2001, 259 (1-4) : 109 - 114
12345