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The crystalline and dielectric properties of 0.38(Bi1-xla x)ScO3-0.62PbTiO3 ferroelectric ceramics

  • Yi Chen
  • , Dejun Lan
  • , Qiang Chen
  • , Zhuo Xu
  • , Xi Yue
  • , Dingquan Xiao
  • , Jianguo Zhu
  • Sichuan University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

To investigate the effects of partially substitution of lanthanum for bismuth in the BiScO3-PbTiO3 (BSPT) ceramics, the 0.38(Bi1-xLax)ScO3-0.62PbTiO3 (BLSPTx) ceramics were prepared by using conventional solid state process. It was found that the partial replacement of lanthanum for bismuth do not affects the crystalline structure of the BSPT ceramics. With increasing of the lanthanum content, the grains of BLSPTx ceramics grown much bigger than those of BSPT ceramics when BLSPTx and BSPT ceramics were sintered at the same temperature. The temperature dependence of dielectric permittivity of BLSPTx ceramics shows that the Curie temperature (Tc) shifts toward lower temperature with the increasing of lanthanum content, and the BLSPTx samples for x=0.02 show the highest value of the dielectric constant at Tc.

源语言英语
主期刊名Materials Research Society Symposium Proceedings
233-238
页数6
出版状态已出版 - 2006
活动2005 Materials Research Society Fall Meeting - Boston, MA, 美国
期限: 28 11月 20051 12月 2005

出版系列

姓名Materials Research Society Symposium Proceedings
888
ISSN(印刷版)0272-9172

会议

会议2005 Materials Research Society Fall Meeting
国家/地区美国
Boston, MA
时期28/11/051/12/05

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