| La_2O_3掺杂(Bi_(0.5)Na_(0.5))_(0.94)Ba_(0.06)TiO_3陶瓷的介电和压电性能的研究 |
| |
| 引用本文： | 郑夏莲,许华,刘会平.La_2O_3掺杂(Bi_(0.5)Na_(0.5))_(0.94)Ba_(0.06)TiO_3陶瓷的介电和压电性能的研究[J].中国陶瓷,2010(1). |
| |
| 作者姓名： | 郑夏莲 许华 刘会平 |
| |
| 作者单位： | 宜春学院物理科学与工程技术学院;江苏大学材料科学与工程学院; |
| |
| 摘 要： | 用固相反应法制备La2O3掺杂的铁电陶瓷(Bi0.5Na0.5)0.94Ba0.06TiO3(BNBT6)。X射线衍射曲线表明掺杂0-0.6wt%La2O3的BNBT6为钙钛结构。研究了La2O3掺杂对BNBT6陶瓷介电性能和压电性能的影响。结果表明La2O3掺杂量为0.3wt%的BNBT6陶瓷综合性能最佳,其中介电常数为1981.4,介电损耗为0.0625和压电常数为145pc/N。SEM图象表明La2O3掺杂提高了陶瓷的致密度。
|
| 关 键 词： | 钙钛矿结构 陶瓷 La2O3掺杂 介电 压电 |
STUDY ON DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF La_2O_3-Doped(Bi_(0.5)Na_(0.5))_(0.94)Ba_(0.06)TiO_3 CERAMICS |
| |
| Zheng Xialian,Xu Hua,Liu Huiping.STUDY ON DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF La_2O_3-Doped(Bi_(0.5)Na_(0.5))_(0.94)Ba_(0.06)TiO_3 CERAMICS[J].China Ceramics,2010(1). |
| |
| Authors: | Zheng Xialian Xu Hua Liu Huiping |
| |
| Affiliation: | Zheng Xialian1,Xu Hua1,Liu Huiping2 (1 Institute of Physics Science , Technology,Yichun University,Yichun 336000,2 School of Materials Science , Engineering,Jiangsu University,Zhenjiang 212013) |
| |
| Abstract: | La2O3-doped ferroelectrics(Bi0.5Na0.5)0.94Ba0.06TiO3(BNBT6 )ceramics were prepared by solid- state reaction method.X-ray diffration pattern showed that calcium titanium structure was formed when La2O3 doped quality percentage is 0-0.6%.The effects of La2O3 doping on the dielectric and piezoelectric properties of BNBT6 ceramics were studied.The results show that when La2O3 doped quality percentage is 0.3%,BNBT6 ceramics having optimal properties have been obtained,which the dielectric constant is 1981.4,the ... |
| |
| Keywords: | Calcium titanium structure Ceramics La2O3-doped Dielectric Piezoelectric |
| 本文献已被 CNKI 等数据库收录！ |
