研究论文

周期铁电畴压电陶瓷的制备和频谱特性研究

  • 薛金林 ,
  • 屈绍波 ,
  • 魏晓勇 ,
  • 徐卓 ,
  • 王斌科
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  • 1. 空军工程大学理学院, 西安 710051; 2. 西安交通大学电子陶瓷与器件教育部重点实验室, 西安 710049

收稿日期: 2006-07-04

  修回日期: 2006-09-20

  网络出版日期: 2007-05-20

Fabrication of Piezoelectric Ceramics with Periodical Ferroelectric
Domains and Its Frequency Response

  • XUE Jin-Lin ,
  • QU Shao-Bo ,
  • WEI Xiao-Yong ,
  • XU Zhuo ,
  • WANG Bin-Ke
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  • 1. The College of Science, Air Force Engineering University, Xi’an 710051, China; 2. Electronic Materials Research Laboratory, Key Laboratory of Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, China

Received date: 2006-07-04

  Revised date: 2006-09-20

  Online published: 2007-05-20

摘要

研究了复合结构的周期铁电畴压电陶瓷以及通过外加电场反向极化法制
备的周期铁电畴压电陶瓷的厚度切变模式. 分析了两种方法制备的周期铁电畴
压电陶瓷的频谱特性, 得出了铁电畴周期结构可以很好地抑制来源于纵向或径
向振动的高次泛音的不良影响和通过外加电场反向极化法制备小周期铁电畴提
高厚度切变模式谐振频率的方法, 从而可以通过调整周期大小制备出在一定频
率范围内呈现出具有感性的压电陶瓷.

本文引用格式

薛金林 , 屈绍波 , 魏晓勇 , 徐卓 , 王斌科 . 周期铁电畴压电陶瓷的制备和频谱特性研究[J]. 无机材料学报, 2007 , 22(3) : 479 -482 . DOI: 10.3724/SP.J.1077.2007.00479

Abstract

The composite piezoelectric ceramics with periodical ferroelectric domains were prepared by traditional composite technology, and the bulk ceramics with periodical ferroelectric domains were produced by a periodically poling method. The thicknessshear resonance and frequency properties of those two kinds of periodical ferroelectric domain ceramics were investigated. It is concluded that periodical ferroelectric domain structure can effectively restrain the bad effect from longitudinal or radical high order harmonious oscillation, and thickness shear resonance frequency can be increased by the periodically poling method, therefore the piezoelectric ceramics with inductance characteristics could be produced by the method of resonance and antiresonance at some frequency region through adjusting the size of periodical ferroelectric domain.

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