Abstract
Electric-field-induced strain behavior of 0.5 mol% Mn-doped (Pb0.4, Sr0.6)TiO3 ceramics was studied in this paper. Through utilizing a new mechanism, which is point-defect-mediated domain switching, a double hysteresis and relatively large recoverable strain of 0.1% at 3000 V/mm were obtained from the samples after aging at room temperature. This behavior can be considered as a new kind of shape memory effect due to the reversibility and the 'digital-like' jump in electrostrain, which is controlled by electric field. The present result suggests that utilizing domain-switching can be a new way to improve the performance of the electrostrain effect of Pb-based ceramics.
| Original language | English |
|---|---|
| Pages (from-to) | 176-180 |
| Number of pages | 5 |
| Journal | Materials Science and Engineering: A |
| Volume | 438-440 |
| Issue number | SPEC. ISS. |
| DOIs | |
| State | Published - 25 Nov 2006 |
Keywords
- (Pb, Sr)TiO
- Electro-shape-memory
- Electrostrain
- Ferroelectrics
- Point-defect symmetry
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