Preparation and characterization of yBiGaO(3)-(1-x-y)BiScO(3)-xPbTiO(3) piezoelectric ceramics
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Updated: Jul 7, 2026
Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates
Published on: April 12, 2019
Yihang Jiang1, Baoquan Qin, Yi Chen
1College of Materials Science and Engineering, Sichuan University, Chengdu, China. nic0400@scu.edu.cn
Abstract:
The ternary system of yBiGaO(3)-(1-x-y)BiScO(3)-xPbTiO(3) (BGS-PT) ceramics was prepared by using conventional mixing oxide processing. X-ray diffraction analysis revealed that the BGS-PT ceramics showed the perovskite structure. The Curie temperature (TC) of BGSPT ceramics was found to increase with increasing BiGaO3 content. However, a larger BiGaO3 content led to sharply decreased piezoelectric properties, and the secondary phase was formed in the BGS-PT system. BGS-PT ceramics with x = 0.56, y = 0.19 showed a high Curie temperature T(C) and a large piezoelectric constant d(33) of 501??C and 152 pC/N, respectively. The high T(C) of BGS-PT ceramics with usable piezoelectric properties suggests future high-temperature applications.
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