한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제37권9호
  • /
  • Pages.871-878
  • /
  • 2000
  • /
  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

교류강전계가 PSN-PZT 압전체의 압전 및 유전 특성에 미치는 non-180$^{\circ}$분역 효과

The Effect of Non-180$^{\circ}$Domain on the Piezoelectric and Dielectric Properties of the PSN-PZT Ceramics under Alternating Strong Electric Field

  • 윤만순 (주성대학 전자재료응용학과) ;
  • 채홍인 (주성대학 전자재료응용학과)
  • 발행 : 2000.09.01
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초록

본 연구는 3mol% Pb(Sb$_{1}$2/Nb$_{1}$2/)O$_3$가 첨가된 상경계 영역의 Pb(Zr,Ti)O$_3$(PSN-PZT) 세라믹스에 대하여 RT66A와 광섬유센서를 이용하여, 교류강전계 하에서 압전 및 유전특성을 조사하였다. PSN-PZT 세라믹스의 압전 및 유전 특성에 미치는 non-180$^{\circ}$분역 재배열의 영향을 평가하기 위하여 RT66A와 MTI-2000 Fotonic$^{TM}$ sensor를 이용하여 인가전계와 주파수의 함수로 전계유기변위를 측정하였다. 그 결과, 교류강전계 하에서 전계유기변위는 강전계, 저주파수에서 큰 이력현상을 나타내고, 전계유기변위로부터 결정된 유효압전상수는 주파수가 감소할수록 증가하는 거동을 나타내고 있으며, 이러한 거동은 non-180$^{\circ}$분역 재배열의 영향으로 해석되었다.

키워드

References

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