采用传统固相合成法制备了Pb
0.97-xLa
0.02Ba
xZr
0.55Sn
0.38Ti
0.07O
3（
x=0，0.09，0.11，0.13，物质的量分数）反铁电陶瓷，研究了钡掺杂量对该陶瓷微观结构、介电性能和储能特性的影响。结果表明：钡能掺入到陶瓷晶格中形成钙钛矿结构；随着钡掺杂量的增加，陶瓷的反铁电-顺电相变温度降低，介电常数增大；当
x=0.09时，室温下施加5.4 kV·mm
-1的电场，陶瓷的储能密度为0.7 J·cm
-3，应用电场强度比文献报道的低，说明钡的添加降低了陶瓷的应用电场强度；陶瓷的储能特性与钡掺杂量呈线性关系。
所属栏目
试验研究国家自然科学基金资助项目（11304334，21476101）；上海市科委计划项目（14DZ2274100）
收稿日期
2016/6/12016/12/16
作者单位
齐爽:辽宁石油化工大学, 辽宁省石油化工催化科学与技术重点实验室, 抚顺 113001
段林海:辽宁石油化工大学, 辽宁省石油化工催化科学与技术重点实验室, 抚顺 113001
曾涛:上海材料研究所, 上海市工程材料应用评价重点实验室, 上海 200437
白杨:上海电力学院, 上海 200082
曹剑武:北京理工大学, 北京 100081
备注
齐爽(1991-),女,辽宁葫芦岛人,硕士研究生。
引用该论文:
QI Shuang,DUAN Lin-hai,ZENG Tao,BAI Yang,CAO Jian-wu.Effect of Ba Doping Concentration on Electric Properties of La-doped Pb(Zr,Sn,Ti) O3 Ceramics[J].Materials for mechancial engineering,2017,41(2):15～19
齐爽,段林海,曾涛,白杨,曹剑武.钡掺杂量对镧掺杂锆锡钛酸铅陶瓷电性能的影响[J].机械工程材料,2017,41(2):15～19
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