Comparisons on Dielectric and Peizoelectric Proeprties of Rhombohedral, Tetragonal and Morphotropic Phase Boundary in Pb(Ni1/3Nb2/3)O3-PbTiO3-PbZrO3 System with MnO2 Addition

Pb(Ni1/3Nb2/3)O3-PbTiO3-PbZrO3계의 삼방정, 정방정 및 상경계조성에서의 MnO2 첨가에 따른 유전 및 압전특성에 비교

  • 전구락 (경북대학교 전자공학과) ;
  • 손정호 (한국과학기술원 무기재료연구실) ;
  • 김정주 (경북대학교 재료공학과) ;
  • 조상희 (경북대학교 재료공학과)
  • Published : 1988.05.01


Effects of MnO2 addition on themicrostructure, dielectric and piezoelectric properties of Rhombohedral, Tetragonal and Morphotropic phase boundary(MPB) in Pb(Ni1/3Nb2/3)O3-PbTiO3-PbZrO3 system were investigated and respectively the amount of MnO2 addition was 0, 0.2, 0.5, 1.0, 3.0wt%. In the tetragonal region, compared with the Rhombohedral and Morpotropic phase boundary, Mechanical quality factor(Qm), Curie temperature(Tc) and Dissipation factor were promoted by addition of MnO2. According to the results of the microstructure, dielectric and piezoelectric properties, the solid solution range of MnO2 addition in this system was 0.2-0.5wt%.



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