Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)

The Institute of Electronics and Information Engineers (대한전자공학회)
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The sintering properties and microwave dielectric characteristic of xCaTi $O_{3}$ - yMgTi $O_{3}$ - z(L $i_{1}$2/N $d_{1}$2/)Ti $O_{3}$

xCaTi $O_{3}$-yMgTi $O_{3}$-z(L $i_{1}$2/N $d_{1}$2/)Ti $O_{3}$의 소결특성과 마이크로파 유전특성

  • Sim, Hwa-Sup (Department of Electronic Engineering, Sogang University) ;
  • Kim, Duck-Whan (Department of Electronic Engineering, Sogang University) ;
  • Lim, Sang-Kyu (Department of Electronic Engineering, Sogang University) ;
  • An, Chul (Department of Electronic Engineering, Sogang University)
  • 심화섭 (서강대학교 전자공학과) ;
  • 김덕환 (서강대학교 전자공학과) ;
  • 임상규 (서강대학교 전자공학과) ;
  • 안철 (서강대학교 전자공학과)
  • Published : 1998.06.01
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Abstract

The microwave dielectric properties and sintering properties of the xCaTi $O_{3}$-yMgTi $O_{3}$-z(L $i_{1}$2/N $d_{1}$2/)Ti $O_{3}$ systems were investigated for the development of microwave dielectric materials. Dielectric constants decreased with increasing the amounts of MgTi $O_{3}$ and increased with reducing the amounts of MgTi $O_{3}$ and increased with reducing (L $i_{1}$2/N $d_{1}$2/)Ti $O_{3}$ contents. The microscopic structures were mixed phase with a little second phase. We found some compositions with .tau.$_{f}$ changed from positive to negative value with increasing MgTi $O_{3}$ or (L $i_{1}$2/N $d_{1}$2/)Ti $O_{3}$ contents. The microscopic strucstures were mixed phase with a little second phase. We found some compositions with .tau.$_{f}$ =0ppm/.deg.C. these compmsitions exhibited the stable dielectric properties on the various sintering temperatures.res.

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