한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제22권6호
  • /
  • Pages.71-79
  • /
  • 1985
  • /
  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

투광성 전기 광학용 소자의 제조에 관한 연구

Studies on Fabrication of Translucent Eletrooptic Ceramics

  • 김재육 (서울대학교 공과대학 무기재료공학과) ;
  • 이태근 (서울대학교 공과대학 무기재료공학과) ;
  • 임응극 (서울대학교 공과대학 무기재료공학과)
  • 발행 : 1985.06.01
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초록

In order to fabricate the translucent electrooptic ceramics which are comparable to PLZT, $PNZT^*$ has been prepared from aqueous solutions of their itrate and chlorides. In the quarternary $Pb^{1-x} Nd_x(Zr_{0.63} Ti_{0.37})^{1-\frac{x}{4}O_3$, (PNZT) $(0.02\le x\ge 0.12)$ system cold-pressed PNZT slugs were sintered in $O_2$ in pt-crucible for 45 min. at 118$0^{\circ}C$ and were then heat-treated in air for 60 hrs. at 120$0^{\circ}C$ in Al2O3 crucibles containing $PbZrO_3$ powder to control the atmosphere. Mean particle size of calcined PNZT powders was 0.1~0.15${\mu}{\textrm}{m}$. It was found that the maximum value of optical transmission has been revealed at 6~8 at. % $Nd_2O_3$ added body and that their dielectric constant has been decreased as the frequency increased. Curic temperature has been varied inversely with $Nd^{3+}$ ion content up to 8 at. % and become constant above this value. $^*Pb_{1-x}Nd_x(Zr_{0.63} Ti_{0.37})_{1-2/4}O_3$

키워드

참고문헌

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  13. An Introduction to Error Analysis J.R. Taylor