| Issue |
EPL
Volume 100, Number 1, October 2012
|
|
|---|---|---|
| Article Number | 17010 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/100/17010 | |
| Published online | 18 October 2012 | |
A comparison between tetragonal-rhombohedral and tetragonal-orthorhombic phase boundaries on piezoelectricity enhancement
1 Multi-disciplinary Materials Research Center, Frontier Institute of Science and Technology, State Key Laboratory for Mechanical Behaviour of Materials, Xi'an Jiaotong University - Xi'an 710049, China
2 Ferroic Physics Group, National Institute for Materials Science - Tsukuba, 305–0047, Ibaraki, Japan
(a) Present address: State Key Laboratory for Mechanical Behaviour of Materials, Xi'an Jiaotong University - No. 28, Xianning West Road, 710049, Xi'an, China; xuedezhen@gmail.com
Received: 17 August 2012
Accepted: 12 September 2012
We made a detailed comparison of physical properties between the tetragonal-rhombohedral (T-R) phase boundary (in the Ba(SnTi)O3-x(BaCa)TiO3 system) and the tetragonal-orthorhombic (T-O) phase boundary (in the Ba(SnxTi1−x)O3 system). The contrasting results suggest that the T-R phase boundary enhances the piezoelectricity more significantly than the T-O phase boundary. Such difference is considered to stem from the dissimilar anisotropy for polarization rotation, the different elastic softening and the different domain wall contribution between T-R and T-O phase boundaries.
PACS: 77.65.Bn – Piezoelectric and electrostrictive constants / 77.22.-d – Dielectric properties of solids and liquids
© EPLA, 2012
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