대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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${Li_2}{CO_3}$첨가에 의한 $BaSr(TiO_3)$의 저온 소결과 가변유전 특성

Tunable properties and low temperature sintering of BST thick films added ${Li_2}{CO_3}$

  • 김인성 (한국전기연구원 전자기소자연구그룹) ;
  • 민복기 (한국전기연구원 전자기소자연구그룹) ;
  • 정순종 (한국전기연구원 전자기소자연구그룹) ;
  • 송재성 (한국전기연구원 전자기소자연구그룹) ;
  • 전소현 (경남대학교 재료공학과)
  • 발행 : 2006.10.27
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초록

$(BaSr)TiO_3$ thick films were prepared by tape casting method using $BaTiO_3$ and $SrTiO_3$ powder slurry in order to investigate dielectric properties and low temperature sintering. Sintering density was $5.7\;g/cm^3$ and the BST sample exhibited the maximum dielectric constant, tunability at temperatures near phase transition point. The dielectric constant was increased and curie temperature was shifted to higher temperature with increasing of annealing temperature.

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