Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Influence of Heat Diffusing Temperature for a (Sr.Ca)$TiO_3$-based Ceramics on Voltage-Current Properties

(Sr.Ca)$TiO_3$계 세라믹의 전압-전류 특성에 미치는 열확산 온도의 영향

  • 강재훈 (대불대학교 전기공학과) ;
  • 박용필 (동신대학교 전기전자공학부) ;
  • 장경욱 (경원전문대 자동차 정비과) ;
  • 오재한 (성화대학 전기과) ;
  • 최운식 (대불대학교 전기공학과)
  • Published : 2001.07.01
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Abstract

In this paper, the structural and electrical properties of the Sr$_{1-x}$ Ca$_{x}$TiO$_3$ (0$\leq$x$\leq$0.2) (0$\leq$r$\leq$0.2)-based grain boundary layer ceramics were investigated by X-ray, SEM and V-I system. Increasing the Ca content, the average grain size and the lattice constant were decreased. The relative density of all specimens was >96%. The 2nd phase formed by thermal diffusing from the surface lead to a very excellent electrical properties, that is, $\varepsilon$$_{r}$>50000, tan$\delta$<0.05, $\Delta$C< $\pm$ 10%.\pm$ 10%.%.

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