Title :
The electrostrictive and related properties of (Pb1-xBa x)1-3z/2Biz(Zr1-yTiy )O3 ceramic system
Author :
Li, G. ; Haertling, G.
Author_Institution :
Dept. of Ceramic Eng., Clemson Univ., SC, USA
fDate :
30 Aug-2 Sep 1992
Abstract :
A compositional region was revealed in the (Pb1-xBax)1-3zBiz(Zr1-y Tiy)O3 (PBZT) ceramic system where large electrostrictive strains and small hysteresis exist simultaneously. The electrostrictive coefficients, m11 (longitudinal) and m12 (lateral), are as high as 8.9 and 3.85×10-16 m2/V2, respectively, and hysteresis is small enough to be negligible, depending on the composition involved. It was found that a small amount of Bi2O3 additive significantly modified the electrostrictive and dielectric properties of the pure PBZT ceramic system and shifted both the FR-FT and FR-PC boundaries. Hot-pressed samples showed higher saturated strains and smaller hysteresis than those fabricated by conventional sintering
Keywords :
barium compounds; ceramics; dielectric losses; electrostriction; hot pressing; lead compounds; permittivity; phase diagrams; piezoelectric materials; sintering; (Pb1-xBax)1-3zBiz(Zr 1-yTiy)O3; PBZT; PbBaBiZrO3TiO3; ceramic system; dielectric constant; dielectric properties; electrostrictive coefficients; electrostrictive strains; hot pressed sample; hysteresis; lateral strain; phase diagram; rhombohedral-paraelectric boundary; rhombohedral-tetragonal boundary; sintering; Barium; Bismuth; Capacitive sensors; Ceramics; Dielectric constant; Electrostriction; Hysteresis; Powders; Temperature; Zirconium;
Conference_Titel :
Applications of Ferroelectrics, 1992. ISAF '92., Proceedings of the Eighth IEEE International Symposium on
Conference_Location :
Greenville, SC
Print_ISBN :
0-7803-0465-9
DOI :
10.1109/ISAF.1992.300563
