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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Effect of Sintering Temperature on the Dielectric and Piezoelectric Properties of (Na,K,Li)(Nb,Sb,Ta)O3 Ceramics

소성 온도가 (Na,K,Li)(Nb,Sb,Ta)O3 세라믹스의 유전 및 압전 특성에 미치는 영향

  • Kim, You-Seok (Department of Electrical Engineering, Semyung University) ;
  • Yoo, Ju-Hyun (Department of Electrical Engineering, Semyung University) ;
  • Hong, Jae-Il (Department of Electrical Information Control, Dong Seoul College) ;
  • Lee, Jie-Young (School of Computer Science, Semyung University)
  • 김유석 (세명대학교 전기공학과) ;
  • 류주현 (세명대학교 전기공학과) ;
  • 홍재일 (동서울대학교 전기정보제어과) ;
  • 이지영 (세명대학교 컴퓨터학부)
  • Received : 2013.09.11
  • Accepted : 2013.10.23
  • Published : 2013.11.01
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Abstract

In this study, $(Na_{0.525}K_{0.443}Li_{0.037})(Nb_{0.883}Sb_{0.08}Ta_{0.037})O_3+0.10\;wt%Bi_2O_3+0.35\;wt%B_2O_3$ ceramics were prepared by conventional soild-state sintering process. The specimens were sintered at temperature range from $1,060^{\circ}C$ to $1,100^{\circ}C$. XRD (X-ray diffractron), SEM (scanning electron microscope) were used to analyze the crystal structure and microstructural sproperties of specimens. And also, $T_{O-T}$, TC were observed by the mesurement of temperature dependence of dielectric constant. Excellect physical properties of the piezoelectric constant $d_{33}$= 170 pC/N, electromechanical coupling factor kp= 0.312, Tc= $315^{\circ}C$ were obtained, respectively, from the specimen sintered at $1,080^{\circ}C$.

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References

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