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J. Korean Ceram. Soc. > Volume 31(2); 1994 > Article
Journal of the Korean Ceramic Society 1994;31(2): 185.
$BaTiO_3$ 세라믹스에 있어서 미세구조와 PTCR특성에 미치는 $Sb_2O_3$의 첨가효과
김준수, 이병하1, 이경희1
한국에너지기술연구소 에너지재료연구팀
1명지대학교 공과대학 무기재료공학과
Effect of $Sb_2O_3$ Addition on the Microstructure and the PTCR Characteristic in $BaTiO_3$ Ceramics
Effect of Sb2O3 addition on microstructure and the PTCR characteristic was investigated. The range of the Sb2O3 content and the sintering temperature showing semiconducting and PTCR characteristic, were 0.05~0.125 mol%, and over 130$0^{circ}C$, respectively. We found that PTCR characteristic, that is, room-temperature resistivity and specific resistivity ration were dependent on the microstructure.
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