Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Dielectric and Piezoelectric Properties of Pb(Zr1/2Ti1/2)O3-Pb(Cu1/3Nb2/3)O3-Pb(Mn1/3Nb2/3)O3 System

Pb(Zr1/2Ti1/2O3-Pb(Cu1/3Nb2/3)O3-Pb(Mn1/3Nb2/3)O3계의 유전 및 압전 특성

  • Lee, Hyeung-Gyu (Electronic Materials and Packaging Research Center, KETI) ;
  • Kang, Hyung-Won (Electronic Materials and Packaging Research Center, KETI) ;
  • Choi, Ji-Hyun (Electronic Materials and Packaging Research Center, KETI)
  • 이형규 (전자부품연구원 전자소재패키징연구센터) ;
  • 강형원 (전자부품연구원 전자소재패키징연구센터) ;
  • 최지현 (전자부품연구원 전자소재패키징연구센터)
  • Published : 2005.10.01
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Abstract

Dielectric and Piezoelectric properties of complex perovskite 0.92Pb($Zr_{1/2}Ti_{1/2})O_{3}-(0.08-x)Pb(Cu_{1/3}Nb_{2/3})O_{3}-xPb(Mn_{1/3}Nb_{2/3})O_{3}(0{\leq}x{\leq}0.080$) (PZT-PCN-PMN) system were investigated as a function of PMN content. With the increase of PMN content of the sintered specimens, tetragonal phase was coexisted with rhombohedral phase, the dielectric constant was decreased, mechanical quality factor ($Q_{m}$) was inceased, and optimal sintering temperature was increased up to 1050$^{\circ}C$. For the composition of x = 0.064 sintered at 1050$^{\circ}C$ for 2 h, 1939 of maximum mechanical quality factor ($Q_{m}$), 57$\%$ of electromechanical coupling factor ($k_{p}$), and 1100$^{\circ}C$ of dielectric constant, 0.37$\% $ of dielectric loss (tan $\delta$) were obtained.

Keywords

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