...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of the American Ceramic Society >Normal-Relaxor-Diffuse Ferroelectric Phase Transition and Electrical Properties of Bi(Mg_(1/2)Ti_(1/2))_3-PbZrO_3-PbTiO_3 Solid Solution Ceramics Near the Morphotropic Phase Boundary
【24h】

Normal-Relaxor-Diffuse Ferroelectric Phase Transition and Electrical Properties of Bi(Mg_(1/2)Ti_(1/2))_3-PbZrO_3-PbTiO_3 Solid Solution Ceramics Near the Morphotropic Phase Boundary

机译：Bi（Mg_（1/2）Ti_（1/2））_ 3-PbZrO_3-PbTiO_3固溶陶瓷在正向相界附近的正相-扩散铁电相变和电性能

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Perovskite-type xBi(Mg_(1/2)Ti_(1/2))O_3-(0.56 - x)PbZrO_3-0.44 PbTiO_3 (xBMT-PZ-PT) ternary solid solution ceramics were synthesized via a conventional solid-state reaction method. The phase transition behaviors, dielectric, ferroelectric, and piezoelectric properties were investigated as a function of the BMT content. The X-ray diffraction analysis showed that the tetrag-onality of xBMT-PZ-PT was enhanced with increasing the BMT content, and a morphotropic phase boundary (MPB) between rhombohedral and tetragonal phases was identified approximately in the composition of x = 0.08. In addition, the dielectric diffuseness and frequency dispersion behavior were induced with the addition of BMT and a normal-relaxor-diffuse ferroelectric transformation was observed from the PZ-rich side to the BMT-rich side. The electrical properties of xBMT-PZ-PT ceramics exhibit obviously compositional dependence. The x = 0.08 composition not only possessed the optimum properties with ε~t_(33)/ε_0 = 1450, Q_m = 69, d_(33) = 390 pC/N, k_p = 0.46, P_r = 30 μC/cm~2, E_c = 1.4 kV/mm, T_c = 325℃, and a strain of 0.174% (d_(33)~* = 436 pm/V) under an electric field of 4 kV/mm as a result of the coexistence of two ferroelectric phases near the MPB, but also owned a good thermal-depolarization behavior with a d_(33) value of ＞315 pC/N up to 290℃ and a frequency-insensitive strain behavior.
机译：钙钛矿型xBi（Mg_（1/2）Ti_（1/2））O_3-（0.56-x）PbZrO_3-0.44 PbTiO_3（xBMT-PZ-PT）三元固溶陶瓷是通过常规固相反应方法合成的。研究了相变行为，介电，铁电和压电特性随BMT含量的变化。 X射线衍射分析表明，随着BMT含量的增加，xBMT-PZ-PT的四重性增强，并且在x = 0.08的成分中，菱形和四方相之间的相变相界（MPB）被确定。另外，通过添加BMT引起介电扩散和频率色散行为，并且从富PZ侧到富BMT侧观察到正常的弛豫-扩散铁电转变。 xBMT-PZ-PT陶瓷的电性能表现出明显的成分依赖性。 x = 0.08的成分不仅具有ε〜t_（33）/ε_0= 1450，Q_m = 69，d_（33）= 390 pC / N，k_p = 0.46，P_r = 30μC/ cm〜2， E_c = 1.4 kV / mm，T_c = 325℃，并且由于两个铁电相共存，在4 kV / mm的电场下应变为0.174％（d_（33）〜* = 436 pm / V）在MPB附近，还具有良好的热去极化行为，在290℃时d_（33）值> 315 pC / N，并且对频率不敏感。

著录项

  • 来源
    《Journal of the American Ceramic Society》 |2014年第6期|1912-1917|共6页
  • 作者

    Haifeng Yi; Ruzhong Zuo;

  • 作者单位

    Institute of Electro Ceramics & Devices, School of Materials Science and Engineering, Hefei University of Technology,Hefei 230009, China;

    Institute of Electro Ceramics & Devices, School of Materials Science and Engineering, Hefei University of Technology,Hefei 230009, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号