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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Lang Ning, Haixia |
| Copyright Year | 2015 |
| Abstract | CuO-doped (Ag$_{0.75}$Li$_{0.1}$Na$_{0.1}$K$_{0.05}$)NbO$_{3}$ (ALNKN-xCuO, x = 0–2mol%) lead-free piezoelectric ceramics were prepared by the solid-state reaction method in air atmosphere. The effects of CuO addition on the phase structure, microstructure, and piezoelectric properties of the ceramics were investigated. The experimental results show that the ALNKN ceramics without doping CuO possess rhombohedral phase along with K2Nb6O16-type phase and metallic silver phase. For all of the CuO-doped ALNKN ceramics, a pure perovskite structure with the orthorhombic phase was obtained by enclosing the samples in a corundum tube. A homogeneous microstructure with the grain size of about 1 μm was formed for the ceramics with 0.5mol% CuO. The grain size increases with increasing amount of CuO. The temperature dependence of dielectric properties indicates that the ferroelectric phase of the ALNKN-xCuO ceramics becomes less stable with the addition of CuO. The ceramics with x = 1mol% exhibit relatively good electrical properties along with a high Curie temperature. These results will provide a helpful guidance to preparing other AN-based ceramics by solid-state reaction method in air atmosphere. |
| Starting Page | 724 |
| Ending Page | 728 |
| Page Count | 5 |
| File Format | |
| ISSN | 10002413 |
| Journal | Journal of Wuhan University of Technology-Mater. Sci. Ed. |
| Volume Number | 30 |
| Issue Number | 4 |
| e-ISSN | 19930437 |
| Language | English |
| Publisher | Wuhan University of Technology |
| Publisher Date | 2015-07-30 |
| Publisher Place | Wuhan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ag$_{0.75}$Li$_{0.1}$Na$_{0.1}$K$_{0.05}$)NbO$_{3}$ lead-free ceramics piezoelectric properties CuO Materials Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
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