Evaluation of domain wall motion in Mn-doped PMS-PZT ceramics under various hydrostatic pressures by nonlinear response measurements
Evaluation of domain wall motion in Mn-doped PMS-PZT ceramics under various hydrostatic pressures by nonlinear response measurements
复制标题
通过非线性响应测量评估不同静水压力下锰掺杂 PMS-PZT 陶瓷的畴壁运动
DOI：
10.1016/j.ceramint.2018.03.020
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发表时间：
2018-06
影响因子：
5.2
通讯作者：
Xianlin Dong
中科院分区：
文献类型：
--
作者：
Caiyun Chen;Ruihong Liang;Zhiyong Zhou;Xin Nie;Wenbin Zhang;Fei Cao;Xianlin Dong
研究了未极化和极化掺杂的PMS-PZT陶瓷的非线性介电响应随静水压力的变化规律。在瑞利定律分析的基础上，定量地评价了在静水压力作用下，不可逆磁区壁面运动对介电响应的贡献。在未极化和极化样品中都观察到了对介电响应的不可逆外部贡献的初始增加，这可以归因于压力诱导的磁区壁钉扎弛豫效应。此外，在极化样品中，压力引起的退极化效应也可能促进与电畴相关的外在贡献。该研究有助于进一步了解静水压力作用下压电陶瓷的磁化壁面运动特性，对水下压电器件的设计和优化具有一定的指导意义。
The nonlinear dielectric responses of both unpoled and poled Mn-doped PMS-PZT ceramics as a function of hydrostatic pressure were investigated. Based on the application of Rayleigh law analysis, the contribution of irreversible domain wall motion to the dielectric response under hydrostatic pressure was quantitatively evaluated. Initial increased irreversible extrinsic contribution to the dielectric responses were observed in both unpoled and poled samples which can be ascribed to the pressure induced domain wall pinning relaxation effect. In addition, the pressure induced depolarization effect may also facilitate domain related extrinsic contribution to dielectric response in poled samples. The present study may shed further light on understanding the domain wall motion dynamic in piezoelectric ceramics under the application of hydrostatic pressure and is quite helpful for the design and optimization of piezoelectric devices used in underwater areas.
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影响因子：
4
作者：
Zhen Liu;Weijun Ren;Hengchang Nie;P. Peng;Yun Liu;Xianlin Dong;F. Cao;Genshui Wang
通讯作者：
Zhen Liu;Weijun Ren;Hengchang Nie;P. Peng;Yun Liu;Xianlin Dong;F. Cao;Genshui Wang
影响因子：
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影响因子：
3.2
作者：
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通讯作者：
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影响因子：
3.9
作者：
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