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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jun Liu Ling-juan Fei Cai-feng Chen Xiao-li Han Ying Luo |
| Copyright Year | 2011 |
| Description | Author affiliation: School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China (Jun Liu; Ling-juan Fei; Cai-feng Chen; Xiao-li Han; Ying Luo) |
| Abstract | 0.852Bi0.5Na0.5TiO3-0.120Bi0.5K0.5TiO3-0.028BaTiO3(BNT-BKT-BT) ceramics prepared by solid state reaction and hydrothermal method is investigated in this paper. The study is aimed at finding out the effects of different preparation methods on dielectric and piezoelecrtic properties of BNT-BKT-BT ceramics. BNT-BKT-BT ceramics were fabricated by conventional solid state reaction and hydrothermal method. XRD results show that a pure perovskite without a secondary phase is structured, while the diffraction intensity of the powder by solid state reaction is higher than that of the powder by hydrothermal method. At the same time, SEM shows a significant difference of surface topography between the ceramics comes up with different preparation methods, which also takes place in dielectric and piezoelectric properties of the ceramics. The values of piezoelectric constant d33, dielectric constant εr, mechanical quality factor Qm, and electromechanical planar coupling coefficients kp of BNT-BKT-BT ceramics by solid state reaction are higher than that of ceramics by hydrothermal method while the dielectric loss factor tanδ and thick electromechanical coupling factor kt is lower. The experimental results reveal that the preparation method is of great help in taking effect on dielectric constant εr, and piezoelectric constant d33. |
| Starting Page | 279 |
| Ending Page | 281 |
| File Size | 996846 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781467310758 |
| e-ISBN | 9781467310789 |
| DOI | 10.1109/SPAWDA.2011.6167243 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-12-09 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Scanning electron microscopy Powders X-ray scattering BNT-BKT-BT Solids Ceramics Dielectrics Hydrothermal Piezoelectric Lead-free |
| Content Type | Text |
| Resource Type | Article |
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