Piezoelectric Properties of Nd and V Cosubstituted Bi4Ti3O12 Ceramics |
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| Journal | Key Engineering Materials (Volume 320) |
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| Volume | Electroceramics in Japan IX |
| Edited by | Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki |
| Pages | 39-42 |
| DOI | 10.4028/www.scientific.net/KEM.320.39 |
| Citation | Satoru Matsuzawa et al., 2006, Key Engineering Materials, 320, 39 |
| Online since | September, 2006 |
| Authors | Satoru Matsuzawa, Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka |
| Keywords | Bismuth Titanate, Grain Orientation, Hot-Forging, Piezoelectric Property |
| Abstract | The piezoelectric properties of Nd and V cosubstituted bismuth titanate ceramics, (Bi4-y,Ndy)1-(x/12)(Ti3-x,Vx)O12 [BNTV-y (x=0.01, y=0.00~1.00)] , 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, k33, 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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