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J. Korean Ceram. Soc. > Volume 42(10); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(10): 698.
doi: https://doi.org/10.4191/kcers.2005.42.10.698
Pb(Zr1/2Ti1/2O3-Pb(Cu1/3Nb2/3)O3-Pb(Mn1/3Nb2/3)O3계의 유전 및 압전 특성
이형규, 강형원, 최지현
전자부품연구원 전자소재패키징연구센터
Dielectric and Piezoelectric Properties of Pb(Zr1/2Ti1/2)O3-Pb(Cu1/3Nb2/3)O3-Pb(Mn1/3Nb2/3)O3 System
Hyeung-Gyu Lee, Hyung-Won Kang, Ji-Hyun Choi
Electronic Materials and Packaging Research Center, KETI
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.
Key words: Dielectric constant, Mechanical quality factor, Electromechanical coupling factor, Dielectric loss
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