钡掺杂量对镧掺杂锆锡钛酸铅陶瓷电性能的影响
Effect of Ba Doping Concentration on Electric Properties of La-doped Pb(Zr,Sn,Ti) O3 Ceramics
摘 要
采用传统固相合成法制备了Pb0.97-xLa0.02BaxZr0.55Sn0.38Ti0.07O3（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。
反铁电陶瓷
电性能
储能密度
Ba
antiferroelectric ceramics
electric property
energy storage density
Abstract
Pb0.97-xLa0.02BaxZr0.55Sn0.38Ti0.07O3 (x=0, 0.09, 0.11, 0.13, mole fraction) antiferroelectric ceramics were synthesized by conventional solid state reaction method, and then the effects of Ba doping concentration on the microstructure, dielectric property and energy storage property of the ceramics were studied. The results show that Ba was capable of diffusing into the ceramic lattices to form a perovskite structure. With the increase of the Ba doping concentration, the antiferroelectric-paraelectric phase transition temperature of the ceramics decreased while the dielectric permittivity increased. The energy storage density of the ceramics at 5.4 kV·mm-1 reached 0.7 J·cm-3 with x value of 0.09. The applied electric field intensity was lower than that reported in literatures, indicating that the doped Ba can decrease the applied electric field intensity. The relationship between Ba doping concentration and the energy storage property of the ceramics was linear.
中图分类号 TB34 DOI 10.11973/jxgccl201702003
所属栏目 试验研究
基金项目 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 2016/6/1
修改稿日期 2016/12/16
网络出版日期
作者单位点击查看
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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参考文献
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【6】BERLINCOURT D. Transducers using forced transitions between ferroelectric and antiferroelectric states[J]. IEEE Transactions on Sonics & Ultrasonics, 1966, 13(4):116-124.
【7】WANG J, YANG T, CHEN S,et al. High energy storage density performance of Ba, Sr-modified lead lanthanum zirconate titanate stannate antiferroelectric ceramics[J]. Materials Research Bulletin, 2013, 48(10):3847-3849.
【8】ZHANG Q, LIU X, ZHANG Y,et al. Effect of barium content on dielectric and energy storage properties of (Pb,La,Ba)(Zr,Sn,Ti)O3 ceramics[J]. Ceramics International, 2015, 41(2):3030-3035.
【9】WANG X, SHEN J, YANG T,et al. Phase transition and energy storage performance in Ba-doped PLZST antiferroelectric ceramics[J]. Journal of Materials Science:Materials in Electronics, 2015, 26(11):9200-9204.
【10】ZHANG N, FENG Y J, XU Z. Effects of barium modification on dielectric and ferroelectric properties of PLZST ceramics[J]. Material Research Innovations, 2013, 15(4):240-243.
【11】WANG J, YANG T, CHEN S,et al. Characteristics and dielectric properties of (Pb0.97-xLa0.02Bax)(Zr0.72Sn0.22Ti0.06)O3 ceramics[J]. Journal of Alloys & Compounds, 2012, 539(42):280-283.
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【13】XU Y, GUO H, LIU X,et al. Effect of Ba content on the stress sensitivity of the antiferroelectric to ferroelectric phase transition in (Pb,La,Ba,)(Zr,Sn,Ti)O3 ceramics[J]. Journal of the American Ceramic Society, 2014, 97(1):206-212.
【14】PARK S E, MARKOWSKI K, YOSHIKAWA S,et al. Effect on electrical properties of barium and strontium additions in the lead lanthanum zirconate stannate titanate system[J]. Journal of the American Ceramic Society, 1997, 80(2):407-412.
【15】LIU Z, CHEN X, PENG W,et al. Temperature-dependent stability of energy storage properties of Pb0.97La0.02(Zr0.58Sn0.335Ti0.085)O3 antiferroelectric ceramics for pulse power capacitors[J]. Applied Physics Letters, 2015, 106(26):15-17.
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