Volume 23 Issue 4
Aug.  2008
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WEI Yao, LI Zhen. Effect of Doping La2O3 and Y2O3 on Properties of (Na0.5Bi0.5)0.94Ba0.06TiO3 Lead-free Ceramics[J]. Development and Application of Materials, 2008, 23(4): 1-4,12. DOI: 10.19515/j.cnki.1003-1545.2008.04.001
Citation: WEI Yao, LI Zhen. Effect of Doping La2O3 and Y2O3 on Properties of (Na0.5Bi0.5)0.94Ba0.06TiO3 Lead-free Ceramics[J]. Development and Application of Materials, 2008, 23(4): 1-4,12. DOI: 10.19515/j.cnki.1003-1545.2008.04.001
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Effect of Doping La2O3 and Y2O3 on Properties of (Na0.5Bi0.5)0.94Ba0.06TiO3 Lead-free Ceramics

  • Institute of Materials Science and Chemistry Engineering, China Univeristy of Geosciences, Wuhan 430074, China

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  • Received Date: December 13, 2007
  • Available Online: March 29, 2024
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  • Effect of doping La2O3 and Y2O3 on dielectric and piezoelectricity properties of(Na0.5Bi0.5)0.94Ba0.06TiO3 lead-free ceramics was investigated.X-ray diffraction analysis shows that doped La2O3 and Y2O3 exhibit single-phase perovskite structure.SEM observation suggests that when 0.2%La2O3 and 0.2%Y2O3 is added,the crystal grain is accreted and piezoelectric constant is advanced.When 0.12%La2O3 and 0.08%Y2O3 is added,piezoelectric constants(d33) reaches the maximum value of 144.6×10-12C/N and dielectric loss reaches the minimum value of 0.039.
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