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The Effect of V2O5 on the Dielectric and Piezoelectric Characteristics of Pb(Sb1/2Nb1/2)O3-Pb(Ni1/3Nb2/3)O3-Pb(Zr, Ti)O3Ceramics

V2O5가 Pb(Sb1/2Nb1/2)O3-Pb(Ni1/3Nb2/3)O3-Pb(Zr, Ti)O3세라믹스의 유전 및 압전특성에 미치는 영향

  • Published : 2003.08.01

Abstract

In this study, to develop the low temperature sintering ceramics for piezoelectric transformer, PSN-PNN-PZT system ceramics were manufactured as a function of V$_2$O$_{5}$ addition, that is the low melting point oxide. Its dielectric and piezoelectric characteristics were investigated. With increasing the amount of V$_2$O$_{5}$ addition, electromechanical coupling factor(kp) and mechanical quality factor(Qm) were decreased. For piezoelectric transformer application, the 0.1wt% V$_2$O$_{5}$ added specimen sintered at 1,00$0^{\circ}C$ showed the proper value of $\varepsilon$r=1,590, kp=0.51 and Qm=748.m=748.

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