ELECTRIC PROPERTIES OF PB(SB1/2NB1/2)O-3-PBTIO3-PBZRO3 CERAMICS

被引：7
|
作者：
KAWAMURA, Y
OHUCHI, H
机构：
[1] Shonan Institute of Technology, Department of Materials Science, Ceramic Technology, Fujisawa, 251
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 9B期
关键词：
PIEZOELECTRIC CERAMICS; DIELECTRIC CONSTANT; RADIAL COUPLING COEFFICIENT; MORPHOTROPIC PHASE BOUNDARY; PB(SB1/2NB1/2)TIZRO3; TERNARY SYSTEM COMPOSITION;
D O I：
10.1143/JJAP.33.5332
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Solid-solution ceramics of ternary system xPb(Sb1/2Nb1/2)O3-yPbTiO3-zPbZrO3 were prepared by the solid-state reaction of powder materials. Ceramic, electric, dielectric and piezoelectric properties and crystal structures of the system were studied. Sintering of the system xPb(S1/2Nb1/2)O3-yPbTiO3-zPbZrO3 is much easier than that of each end composition, and well-sintered high-density ceramics were obtained for the compositions near the morphotropic transformation. Piezoelectric ceramics with high relative dielectric constants, high radial coupling coefficient and low resonant resistance were obtained for the composition near the morphotropic transformation. The composition Pb(Sb-1/2 Nb-1/2)(0.075) Ti-0.45 Zr-0.475 O-3 showed the highest dielectric constant (epsilon r = 1690), and the composition Pb(Sb1/2Nb1/2)(0.05)Ti-0.45 Zr0.5O3 showed the highest radial coupling coefficient (kp=64%).
引用
收藏
页码：5332 / 5335
页数：4
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