Abstract
Bismuth containing crystalline solutions (1−x)Bi(Ga1/4Sc3/4)O3–xPbTiO3 (BGS–PT) have been developed using conventional ceramic technology. X-ray diffraction analysis reveals that BGS-PT has a perovskite structure, in which tetragonal to rhombohedral phase transformation appears for x=0.6. The dielectric properties were investigated at room and elevated temperatures, respectively, for different PT contents. BGS–PT for x=0.6 shows enhancement in dielectric constant K and piezoelectric constant d33 of 1180 and 124 pC/N, respectively, for the compositions investigated. The Curie temperature (Tc) of BGS–PT is in the range of 465–510 °C at least 100 °C higher than that of conventional Pb(Zr,Ti)O3 piezoelectric ceramics. The coercive field (Ec) of BGS–PT strongly depends on the PT content and can reach 75 kV/cm for x=0.8. Our results show that BGS–PT is a good low-lead high-temperature piezoelectric ceramic.
References
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Dates
Type | When |
---|---|
Created | 22 years, 1 month ago (June 30, 2003, 3:59 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 7, 2024, 12:43 a.m.) |
Indexed | 4 months, 2 weeks ago (April 7, 2025, 10:27 p.m.) |
Issued | 22 years, 1 month ago (July 1, 2003) |
Published | 22 years, 1 month ago (July 1, 2003) |
Published Print | 22 years, 1 month ago (July 1, 2003) |
@article{Cheng_2003, title={Structural and electrical properties of (1−x)Bi(Ga1/4Sc3/4)O3–xPbTiO3 piezoelectric ceramics}, volume={94}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1579543}, DOI={10.1063/1.1579543}, number={1}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Cheng, Jinrong and Eitel, Richard and Li, Nan and Cross, L. E.}, year={2003}, month=jul, pages={605–609} }