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J. Korean Ceram. Soc. > Volume 26(6); 1989 > Article
Journal of the Korean Ceramic Society 1989;26(6): 755.
Pb(Sn1/2Sb1/2)O3-PZT계 세라믹스의 초전특성
정형진, 손정호, 윤상옥, 김현재
한국과학기술연구원 무기재료연구실
Pyroelectric Properties on Pb(Sn1/2Sb1/2)O3 Modified PZT Ceramics
A pyroelectric ceramic material based on Pb(Sn1/2Sb1/2)O3 modified PZT system is studied as a function of the amount of Pb(Sn1/2Sb1/2)O3 and PbTiO3. With increasing the Pb(Sn1/2Sb1/2)O3 amount the dielectric constant increases up to 10mol% and then decreases, but the pyroelectric coefficient decreases and as the PbTiO3 contents increase in the 10mol% added PZT system, the dielectric constant increases but the infrared sensitivity decreases. The good pyroelectric material has low dielectric constant and no pyrochlore phase, but does not depend in the amount of remanent dipole, and its composition sites around ferroelectric-to-antiferroelectric phase boundary.
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