Piezoelectric properties of Bi3TiNbO9-BaBi2Nb2O9 ceramics

被引：41

作者：

Nanao, M ^{[1
]}

Hirose, M ^{[1
]}

Tsukada, T ^{[1
]}

机构：

[1] TDK Corp, Mat Res Ctr, Chiba 2868588, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2001年 / 40卷 / 9B期

关键词：

bismuth layer structure oxide; piezoelectric; lead-free; Bi3TiNbO9; BaBi2Nb2O9;

D O I：

10.1143/JJAP.40.5727

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Piezoelectric properties of lead-free bismuth layer structure oxides, (1 - x)Bi3TiNbO9 (BTN)-xBaBi(2)Nb(2)O(9) (BBN) (m = 2) ceramics, have been studied. We have observed large piezoelectric properties for x values between 0.1 and 0.3. Within this range of x values, these specimens have an orthorhombic structure, high anisotropy of the a and b axes and high resistivity. Also, for these samples, a large coercive force (E-c) of 8.0 kV/mm large remanent polarization (P-r) of 7.1 muC/cm(2) at 200 degreesC and high Curie temperatures (T-c) of 700-900 degreesC have been obtained. Maximum mechanical quality factor (Q(m)) of 9000 at 16 MHz thickness extensional third vibration mode (TE3rd) has been measured.

引用

页码：5727 / 5730

页数：4

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