Microstructural, Dielectric and Electrical Properties of(Pb,La,Ce)TiO<sub>3</sub> Ceramics for High Frequency Ceramic Resonator as a function of MnO<sub>2</sub> Addition
Microstructural, Dielectric and Electrical Properties of(Pb,La,Ce)TiO<sub>3</sub> Ceramics for High Frequency Ceramic Resonator as a function of MnO<sub>2</sub> Addition
- 한국전기전자재료학회
- Transactions on Electrical and Electronic Materials
- Vol.3 No.3
-
2002.0125 - 28 (4 pages)
- 0
In this study, microstructural, dielectric and electrical properties of (Pb$\sub$0.83/) (La$\sub$0.2/Ce$\sub$0.8/)$\sub$0.08/TiO$_3$(PCT) ceramics as a function of MnO$_2$ addition and electrode size variation were investigated for 30 MHz high frequency ceramic resonator application. Grain size was gradually increased according to the increase of MnO$_2$ addition amount. Moreover, the density showed a constant value with increasing MnO$_2$ addition amount. Dielectric constant was decreased with increasing MnO$_2$ addition amount. Curie temperature of all the composition ceramics was nearly constant around 330$^{\circ}C$. The maximum D.R.of 50.5 dB and maximum Q$\sub$mt3/ of 1842 in the 3$\^$rd/ overtone vibration mode were appeared at the composition of 0.3wt% MnO$_2$, respectively.
(0)
(0)