Effect of Calcining Temperature on Planr Coupling Factor and Resonance Characteristics of PZT

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J. Korean Ceram. Soc. > Volume 22(1); 1985 > Article

Journal of the Korean Ceramic Society 1985;22(1): 47.

하소온도가 PZT의 Kp와 공진특성에 미치는 영향

정수태, 이우일¹, 조상희¹

부산개방대학 전자공학과
¹경북대학교 전자공학과

Effect of Calcining Temperature on Planr Coupling Factor and Resonance Characteristics of PZT

ABSTRACT

The effect of calcining temperature on planar coupling factor Kp resonance and antiresonance frequency of $Pb(Z_{0.53}Ti_{0.47})O_3$ doped with $Nb_2O_5$ has been investigated. The calcining temperature ranged from $700^{circ}C$ to 110$0^{circ}C$ The calcining temperature affected on antiresonance frequency more strongly than the resonance frequency. Therefore the Kp was almost entirely dependent upon the antiresonance frequency. The p and antiresonance frequency of the sample in creased with the calcining temperature reaching a maximum at about 90$0^{circ}C$ When a poling electric field of 35KV/cm was applied to the sample calcined at 90$0^{circ}C$ and sintered for two hours at 120$0^{circ}C$ Kp attained a maximum value of 0.64 which is in good agreement with the results of other investigators.