Piezoelectric properties of Nd and V cosubstituted Bi4Ti3O12 ceramics

被引：4
|
作者：
Matsuzawa, Satoru [1 ]
Hiruma, Yuji [1 ]
Aoyagi, Rintaro [1 ]
Nagata, Hajime [1 ]
Takenaka, Tadashi [1 ]
机构：
[1] Tokyo Univ Sci, Fac Sci & Technol, Noda, Chiba 2788510, Japan
来源：
ELECTROCERAMICS IN JAPAN IX | 2006年 / 320卷
关键词：
piezoelectric properties; bismuth titanate; grain orientation; hot forging;
D O I：
10.4028/www.scientific.net/KEM.320.39
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The piezoelectric properties of Nd and V cosubstituted bismuth titanate ceramics, (Bi4-y,Nd-y)(1-(x/12))(Ti3-x,V-x)O-12 [BNTV-y (x=0.01, y=0.00 similar to 1.00)], are investigated. Furthermore, the grain orientation effects of BNTV-y ceramics on their piezoelectric properties are studied by the hot forging (HF) method. The electromechanical coupling factor, k(33), of ordinarily fired (OF) BNTV-y0.75 ceramic was 0.21, which is one of the highest k33 values for bismuth layer-structured ferroelectrics (BLSFs). On the other hand, the k33 of the grain oriented (HF) BNTV-y0.25 ceramic was 0.30.
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收藏
页码：39 / 42
页数：4
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