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Bismuth layered structure piezoelectric ceramic material and preparation method thereof
The stoichiometric formula of the bismuth layered structure piezoelectric ceramic material is Ca (1-x) Li2xBi4Ti4-y (Ni2/3W1/3) yO15 + z wt% ZnO, x is larger than 0 and smaller than 0.1, y is larger than 0 and smaller than or equal to 0.2, and z is larger than 0 and smaller than or equal to 0.6. The bismuth layered structure piezoelectric ceramic material has the advantages of excellent piezoelectric property, low dielectric loss, high Curie temperature and high high-temperature resistivity, and the preparation process is simple and stable, convenient to operate and suitable for industrial production.
本发明公开了一种铋层状结构压电陶瓷材料及其制备方法，其化学计量式为Ca(1‑x)Li2xBi4Ti4‑y(Ni2/3W1/3)yO15+z wt％ZnO，其中，0＜x＜0.1，0＜y≤0.2，0＜z≤0.6。该铋层状结构压电陶瓷材料具备压电性能优异、介电损耗低、居里温度高和高温电阻率高的优点，同时制备工艺简单稳定，操作方便，适合工业生产。
Bismuth layered structure piezoelectric ceramic material and preparation method thereof
The stoichiometric formula of the bismuth layered structure piezoelectric ceramic material is Ca (1-x) Li2xBi4Ti4-y (Ni2/3W1/3) yO15 + z wt% ZnO, x is larger than 0 and smaller than 0.1, y is larger than 0 and smaller than or equal to 0.2, and z is larger than 0 and smaller than or equal to 0.6. The bismuth layered structure piezoelectric ceramic material has the advantages of excellent piezoelectric property, low dielectric loss, high Curie temperature and high high-temperature resistivity, and the preparation process is simple and stable, convenient to operate and suitable for industrial production.
本发明公开了一种铋层状结构压电陶瓷材料及其制备方法，其化学计量式为Ca(1‑x)Li2xBi4Ti4‑y(Ni2/3W1/3)yO15+z wt％ZnO，其中，0＜x＜0.1，0＜y≤0.2，0＜z≤0.6。该铋层状结构压电陶瓷材料具备压电性能优异、介电损耗低、居里温度高和高温电阻率高的优点，同时制备工艺简单稳定，操作方便，适合工业生产。
Bismuth layered structure piezoelectric ceramic material and preparation method thereof
一种铋层状结构压电陶瓷材料及其制备方法
YU YANG (author) / WANG HAISHENG (author) / JIANG XUYU (author) / DING YI (author) / LIU RUILIN (author) / WENG XINQUAN (author) / KE YINHONG (author) / XU JINGLING (author)
2022-05-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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Bismuth layered piezoelectric ceramic material as well as preparation method and application thereof
| European Patent Office | 2023