Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Sintering and Dielectric Characteristics of $(1-x)Al_2O_3-xLa_2O_3$ Ceramics

$(1-x)Al_2O_3-xLa_2O_3$계 세라믹스의 소결 및 유전특성

  • 최상수 (부경대학교 공과대학 전자공학과) ;
  • 여기호 (부경대학교 공과대학 전자공학과) ;
  • 김강언 (부경대학교 공과대학 전자공학과) ;
  • 정수태 (부경대학교 공과대학 전자공학과)
  • Published : 2002.07.08
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Abstract

The sintering and dielectric characteristics of $(1-x)Al_2O_3-xLa_2O_3$ ceramics (x=0.2, 0.4, 0.5, 0.6, 0.8, 1.0) were investigated. The sample of x=0.6 composition showed a largest density$(6.5g/cm^3)$ in the all samples and its grain were very uniform. The dielectric constant of the samples linearly increased from 9 to 17 up to x=0.6 with a increasing of x. The temperature coefficient of resonance frequency for the samples showed a positive value at x=0.2 and a negative value at x>0.4.

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