Dielectric properties with variation of doped mount $ZrO_2$ of BSCT ceramics

$ZrO_2$첨가량에 따른 BSCT 세라믹의 유전특성

  • 조현무 (서남대학교 전자전기공학부) ;
  • 이성갑 (서남대학교 전자전기공학부) ;
  • 이영희 (광운대학교 전기공학과) ;
  • 배선기 (인천대학교 전기공학과)
  • Published : 2001.07.01

Abstract

(Ba$_{0.6-x}$Sr$_{0.4}$Ca$_{x}$)TiO$_3$ (x=0.10, 0.15, 0.20) ceramics were fabricated by the mixed-oxide method and their dielectric properties were investigated with variation of composition ratio, doped ZrO$_2$ (0.5, 1.0, 1.5, 2.0, 3.0 wt%) and sintered at 145$0^{\circ}C$. The dielectric constant and loss of the x=0.10 specimen applied field were 19.86 and 0.302 % at 0 V/cm, and 25.937 and 0.339 % at 300 V/cm, respectively. Dielectric constant were increased with increased applied field and decreased with increased frequency, and dielectric loss were within 0.1% at applied 800 MHz, respectively. all specimens showed fairly good applied field. Although, dielectric constant and loss of all specimen showed to tend of nearly the same. same.

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