Abstract
(1-x)Pb(Sn1-yTiy)O3-xPb(Mg1/3Nb2/3)O3 (x=0.1-0.4, y=0.45-0.65) ternary system was prepared using two-step columbite precursor method. Phase structure of the synthesized ceramics was studied by using X-ray powder diffraction and the morphotropic phase boundary (MPB) curve of the ternary system was confirmed. The isothermal map of Curie temperature (TC) in the phase diagram was obtained based on the dielectric-temperature measurements. The coercive field EC and internal bias field Ei were found to increase with increasing PT content, while decrease with increasing PMN content. The optimum properties were achieved in the MPB composition 0.8Pb(Sn0.45Ti0.55)O3-0.2Pb(Mg1/3Nb2/3)O3, with dielectric permittivity e{open}r, piezoelectric coefficient d33, planar electromechanical coupling kp, mechanical quality factor Qm and TC of being on the order of 3040, 530pC/N, 55.5%, 320 and 190°C, respectively, exhibiting potential usage for high power application. © 2011 Elsevier Ltd.
| Original language | English |
|---|---|
| Pages (from-to) | 441-448 |
| Journal | Journal of the European Ceramic Society |
| Volume | 32 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Feb 2012 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.Funding
The authors thank Prof. Thomas R. Shrout for his helpful discussion. Authors from Beijing Institute of Technology acknowledge the National Natural Science Foundation of China under Grant Nos. 50742007 , 50872159 and 50972014 , and the National High Technology Research and Development Program of China under Grant No. 2007AA03Z103 . The author (D.W. Wang) wishes to acknowledge the support from the China Scholarship Council. The work was supported by ONR .
Research Keywords
- A. Sintering
- C. Dielectric properties
- C. Ferroelectric properties
- C. Piezoelectric properties
- Pb(Sn,Ti)O3-Pb(Mg1/3Nb2/3)O3
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