Relationship between vibration direction and high-power characteristics of (001)-textured SrBi2Nb2O9 ceramics

被引：32

作者：

Kawada, Shinichiro ^{[1
]}

Ogawa, Hirozumi ^{[1
]}

Kimura, Masahiko ^{[1
]}

Shiratsuyu, Kosuke ^{[1
]}

Higuchi, Yukio ^{[1
]}

机构：

[1] Murata Mfg Co Ltd, Kyoto 6178555, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2007年 / 46卷 / 10B期

关键词：

high-power characteristics; large amplitude; SrBi2Nb2O9; SBN; bismuth layer-structured ferroelectrics; textured ceramics; vibration velocity; piezoelectricity;

D O I：

10.1143/JJAP.46.7079

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of the angle between the vibration direction and the oriented direction on high-power characteristics was investigated for < 001 >-textured SrBi2Nb2O9 (SBN) ceramics in the longitudinal mode (33 mode). Specimens with their long side formed at angles of 90 and 45 degrees to the < 001 >-oriented direction were fabricated from a 95%-textured SBN ceramic. Their high-power characteristics were compared with those of a randomly oriented specimen. In the case of the specimen with a 90 degrees angle, the resonant frequency was almost constant during high-vibration-velocity driving. On the other hand, the resonant frequency of the specimen with a 45 degrees angle decreased with increasing vibration velocity as did that of the randomly oriented SBN specimen. Therefore, it is considered that the excellent high-power characteristics of highly textured ceramics depend on the vibration direction for the < 001 >-textured ceramics. The angle between the vibration direction and the < 001 >-oriented direction is important in the excellent high-power characteristics of textured SBN ceramics.

引用

页码：7079 / 7083

页数：5

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