Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Study on the Sintering Temperature and Electrical Properties of CuO Doped (Ba0.5,Sr0.5)TiO3 Ceramics

CuO를 첨가한 (Ba0.5,Sr0.5)TiO3 세라믹의 소결온도와 전기적 특성의 연구

  • Yun, Seok-Woo (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Lee, Ku-Tak (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Kang, Ey-Goo (Department of Photovoltaic Engineering, Far East University) ;
  • Koh, Jung-Hyuk (Department of Electronic Materials Engineering, Kwangwoon University)
  • 윤석우 (광운대학교 전자재료공학과) ;
  • 이규탁 (광운대학교 전자재료공학과) ;
  • 강이구 (극동대학교 태양광공학과) ;
  • 고중혁 (광운대학교 전자재료공학과)
  • Received : 2010.05.13
  • Accepted : 2010.05.24
  • Published : 2010.06.01
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Abstract

The influence of CuO addition on what of the $(Ba,Sr)TiO_3$ ceramics was studied. The sintering temperature of $(Ba,Sr)TiO_3$ ceramics was lowered by the addition of CuO additives. The 1 - 5 wt% CuO were selected and employed as the sintering aids. Low-Temperature Co-fired Ceramic technologies are popular technologies used in the manufacture of microwave devices. In this study, crystalline and electrical properties of CuO doped $(Ba,Sr)TiO_3$ ceramics were investigated to determine the low temperature sintering properties. The addition of CuO to $(Ba,Sr)TiO_3$ lowered the sintering temperature from $1350^{\circ}C$ to $1150^{\circ}C$. The dependence of the sintering temperature shrinkage rate and mechanism of CuO doped $(Ba,Sr)TiO_3$ ceramics are investigated and discussed. Also, the crystalline structure of CuO - doped $(Ba,Sr)TiO_3$ ceramics is discussed by the X-ray diffraction (XRD) method.

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References

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