Piezoelectric response of single-crystal PbZr1-xTixO3 near morphotropic phase boundary predicted by phase-field simulation
Journal Article
·
· Applied Physics Letters, 97(25):Article No. 252904
The piezoelectric property of hypothetic single-crystal PbZr1-xTixO3 (PZT) is studied using phase-field simulations. The dependence of piezoelectric coefficient (d33) on PbTiO3 compositions (x) near the morphotropic phase boundary (MPB) of PZT was obtained. It is shown that d33 reaches a peak of 720 pC/N at x = 0.47 which is more than 3 times of that for the ceramic counterpart. By analyzing the domain structure of the poled PZT single crystals, we can conclude that the enhancement of d33 near the MPB composition is attributed to the existence of multi-phase and multi-domain.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1009750
- Report Number(s):
- PNNL-SA-75232; APPLAB; AF5831060; TRN: US201107%%852
- Journal Information:
- Applied Physics Letters, 97(25):Article No. 252904, Vol. 97, Issue 25; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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