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Phase Transition and High Piezoactivity of Sb Doped (Na 0.53 K 0.435 Li 0.035 )Nb 0. 94 Ta 0.06 O 3 Lead-Free Ceramics
| Content Provider | Scilit |
|---|---|
| Author | Peng, Qi Jin-Feng, Wang Bao-Quan, Ming Chun-Ming, Wang Xing-Hua, Liang |
| Copyright Year | 2007 |
| Description | Journal: Chinese Physics Letters Lead-free piezoelectric ceramics with the composition of $(Na_{0.53}K_{0.435}Li_{0.035})Nb_{0.94-x}$ $Sb_{x}Ta_{0.06}O_{3}$ (NKLNST) are synthesized by a conventional solid-state sintering process. An MPB-like region between orthorhombic and pseudocubic phases is found in this system. The density, piezoelectric and dielectric properties are enhanced greatly in this region. A composition $(Na_{0.53}K_{0.435}Li_{0.035}$) $(Nb_{0.86}Sb_{0.08}Ta_{0.06})O_{3}$ is found to have excellent electrical properties: $d_{33}$ = 320pC/N, $k_{p}$ = 49% and $k_{t}$ = 43%, as well as relatively low loss, tan δ = 4.2%, and high relative density higher than 96%, which indicate that this ceramics is a promising lead-free piezoceramics replacing for lead zirconate titanate. |
| Related Links | http://iopscience.iop.org/article/10.1088/0256-307X/24/12/067/pdf |
| Ending Page | 3538 |
| Page Count | 4 |
| Starting Page | 3535 |
| ISSN | 0256307X |
| e-ISSN | 17413540 |
| DOI | 10.1088/0256-307x/24/12/067 |
| Journal | Chinese Physics Letters |
| Issue Number | 12 |
| Volume Number | 24 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2007-12-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Chinese Physics Letters Lead Free Ceramics Na0.53k0.435li0.035 |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
