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http://dx.doi.org/10.4313/JKEM.2015.28.7.424

Microstructure and Dielectric Properties of (Ba0.86Ca0.14)(Ti0.85Zr0.12Sn0.03)O3 Ceramics  

Shin, Sang-Hoon (Department of Electrical Engineering, Semyung University)
Yoo, Ju-Hyun (Department of Electrical Engineering, Semyung University)
Lee, Gwang-Min (Department of Electrical Engineering, Semyung University)
Shin, Dong-Chan (Dong-IL Electronics)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.28, no.7, 2015 , pp. 424-427 More about this Journal
Abstract
In this study, in order to develop the capacitor composition ceramics with the good dielectric properties, $(Ba_{0.86}Ca_{0.14})(Ti_{0.85}Zr_{0.12}Sn_{0.03})O_3+xCuO$ (x= 0.006~0.010) ceramics were prepared by the conventional solid-state reaction method. The effects of CuO addition on the microstructure and dielectric properties was investigated. All specimens indicated rhombohedral phase without any secondary phase. As CuO addition increased, the variation width of TCC was increased at more than $40^{\circ}C$. Also, the specimen with x=0.007 sintered at $1,250^{\circ}C$ showed the high dielectric constant of 9,632 in spite of low temperature sintering temperature.
Keywords
Dielectric properties; Microstructure; $BCTZSO_3$;
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