한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제21권4호
  • /
  • Pages.341-348
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  • 1984
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  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

$BaTiO_3-SrTiO_3$ 계의 유전성

Dielectric Properties of $BaTiO_3-SrTiO_3$ System

  • 윤기현 (연세대학교 요업공학과) ;
  • 이남양 (연세대학교 요업공학과) ;
  • 조경화 (연세대학교 요업공학과)
  • 발행 : 1984.04.01
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초록

$BaTiO_3$ and $SrTiO_3$ were mixed with the mole ratio of 35:65， 50:50 and 65:35 and heated at 1100~120$0^{\circ}C$ for 1~64 hours. The dielectrics of $BaTiO_3$-$SrTiO_3$ system were investigated as a function of amount of solid solution formed. The dielectric constant was increased and Curie temperature was shifted to higher temperature with increasing of heating of soaking time for the same composition and heating temperature. This can be explained by the homogeneous distribution of $Ba^{2+}$ and $Sr^{2+}$ ion in the $BaTiO_3$ system. The Curie temperature was shifted to lower temperature with increasing $SrTiO_3$ in the $BaTiO_3$-$SrTiO_3$system because of decreasing the lattice constant.

키워드

참고문헌

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