NDLI: Dielectric and piezoelectric enhancements in the BiFeO3-PbTiO3 solid solutions with Gd doping

Content Provider	IEEE Xplore Digital Library
Author	Guiyang Shi Jianguo Chen Yufa Qi Shengwen Yu Jinrong Cheng
Copyright Year	2009
Description	Author affiliation: School of Materials Science and Engineering, Shanghai University, 200072, China (Guiyang Shi; Jianguo Chen; Yufa Qi; Shengwen Yu; Jinrong Cheng)
Abstract	Gadolinium doped BiFeO3-PbTiO3 ((Bi1-xGdx)FeO3-PbTiO3, BGF-PT) crystalline solution ceramics for x=0, 0.1, 0.2 and 0.3 are studied in this report. X-ray diffraction (XRD) result reveals that all ceramics are in single perovskite structure. Phase transition from rhombohedral to tetragonal is observed at x=0.1. Enhanced dielectric properties with k=863 and tanδ=0.023 at the frequency of $10^{2}$ Hz are obtained in BGF-PT of x=0.2. The Curie temperature of BGF-PT for x=0.2 is achieved to 430 °C, which is much higher than La doped BiFeO3-PbTiO3. Significant piezoelectric enhancements is also found in the BGF-PT ceramics. Our results indicate that BGF-PT is a competitive high temperature piezoelectric material.
Starting Page	1
Ending Page	4
File Size	127654
Page Count	4
File Format	PDF
ISBN	9781424449705
ISSN	10994734
DOI	10.1109/ISAF.2009.5307560
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ceramics Crystallization X-ray scattering Temperature sensors Solids Powders Acoustic measurements Dielectric measurements X-ray diffraction Piezoelectric materials piezoelectric properties solid solution method dielectric properties
Content Type	Text
Resource Type	Article

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