Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the Ferroelectric and Electro-Optical Properties of the Transparent $Ba(La_{1/2}Nb_{1/2})O_3-PbZrO_3-PbTiO_3$ Ceramics

투광성 $Ba(La_{1/2}Nb_{1/2})O_3-PbZrO_3-PbTiO_3$ 세라믹의 강유전 및 전기광학 특성에 관한 연구

  • Kim, Jun-Su (Dept. Electronic Marerials Eng. Kwangwoon Univ.) ;
  • Ryu, Ki-Won (Dept. Electronic Marerials Eng. Kwangwoon Univ.) ;
  • Lee, Sung-Gap (Dept. Electronic Marerials Eng. Kwangwoon Univ.) ;
  • Lee, Young-Hie (Dept. Electronic Marerials Eng. Kwangwoon Univ.)
  • 김준수 (광운대학교 전자재료공학과) ;
  • 류기원 (광운대학교 전자재료공학과) ;
  • 이성갑 (광운대학교 전자재료공학과) ;
  • 이영희 (광운대학교 전자재료공학과)
  • Published : 1991.11.22
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Abstract

In this study, $0.085Ba(La_{1/2}Nb_{1/2})O_3-0.915Pb(Zr_yTi_{1-y})O_3$(y=0.45, 0.50, 0.55, 0.60, 0.65[mol]) transparent electrooptic ceramics were fabricated by two-stage sintering method. Increasing the $PbZrO_3$ contents, dielectric constant was increased and Curie temperature was decreased. In the composition of 0.55[mol] $PbZrO_3$, electromechanical coupling factor was 0.43. From the results of ferroelectric hysteresis loop and transmitted light intensity with electric field, the compositions of 0.65, 0.60, 0.55[mol] $PbZrO_3$ was applicable to electroopticmemory device and the compositions of 0.50, 0.45[mol] $PbZrO_3$ was applicable to linear electrooptic device.

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