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Layered composite lead-free relaxor ferroelectric material and preparation method thereof
The invention discloses a layered composite lead-free relaxor ferroelectric material and a preparation method thereof, belongs to the technical field of piezoelectric ceramics, and overcomes the defect that the strain excited by a lead-free relaxor ferroelectric material in a low driving electric field is relatively small in the prior art. The layered composite lead-free relaxor ferroelectric material comprises a first relaxor ferroelectric layer, a ferroelectric layer and a second relaxor ferroelectric layer which are arranged in sequence, in the layered composite lead-free relaxor ferroelectric material, the mass percent of the ferroelectric layer is greater than 0 and less than 30%. The invention provides a layered composite lead-free relaxor ferroelectric material with low driving electric field and large strain.
本发明公开了一种层状复合无铅弛豫铁电材料及其制备方法，属于压电陶瓷技术领域，克服现有技术中无铅弛豫铁电材料在低驱动电场下激发出的应变较小的缺陷。本发明层状复合无铅弛豫铁电材料包括依次设置的第一弛豫铁电层、铁电层和第二弛豫铁电层；所述层状复合无铅弛豫铁电材料中，0＜铁电层质量百分比＜30％。本发明提供了一种兼具低驱动电场和大应变的层状复合无铅弛豫铁电材料。
Layered composite lead-free relaxor ferroelectric material and preparation method thereof
The invention discloses a layered composite lead-free relaxor ferroelectric material and a preparation method thereof, belongs to the technical field of piezoelectric ceramics, and overcomes the defect that the strain excited by a lead-free relaxor ferroelectric material in a low driving electric field is relatively small in the prior art. The layered composite lead-free relaxor ferroelectric material comprises a first relaxor ferroelectric layer, a ferroelectric layer and a second relaxor ferroelectric layer which are arranged in sequence, in the layered composite lead-free relaxor ferroelectric material, the mass percent of the ferroelectric layer is greater than 0 and less than 30%. The invention provides a layered composite lead-free relaxor ferroelectric material with low driving electric field and large strain.
本发明公开了一种层状复合无铅弛豫铁电材料及其制备方法，属于压电陶瓷技术领域，克服现有技术中无铅弛豫铁电材料在低驱动电场下激发出的应变较小的缺陷。本发明层状复合无铅弛豫铁电材料包括依次设置的第一弛豫铁电层、铁电层和第二弛豫铁电层；所述层状复合无铅弛豫铁电材料中，0＜铁电层质量百分比＜30％。本发明提供了一种兼具低驱动电场和大应变的层状复合无铅弛豫铁电材料。
Layered composite lead-free relaxor ferroelectric material and preparation method thereof
一种层状复合无铅弛豫铁电材料及其制备方法
NIE JINGKAI (author) / HE QIANG (author) / ZHANG SHICHENG (author) / CHEN XIAOGANG (author) / TAN HUA (author) / HAN YU (author) / WANG YIFAN (author)
2024-06-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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