Kumar Kalyani, Ajay ; Ranjan, Rajeev (2013) Anomalous piezoelectric response due to stabilization of two ferroelectric phases in Zr-modified BaTiO3 Journal of Physics: Condensed Matter, 25 (36). p. 362203. ISSN 0953-8984
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Official URL: http://doi.org/10.1088/0953-8984/25/36/362203
Related URL: http://dx.doi.org/10.1088/0953-8984/25/36/362203
Abstract
The lead-free Ba(Ti1-xZrx)O3 ceramic has shown enhanced piezo-response (d33) in a narrow composition interval (0.01 ≤ x ≤ 0.03) exhibiting the coexistence of two ferroelectric phases. The system presents two electric-field-dependent-property regimes: (i) a low field regime (E < 1.7 kV mm(-1)) where d33 is nearly independent of the poling field, and (ii) E > 1.7 kV mm(-1) for which d33 drops sharply. X-ray diffraction studies revealed that the later phenomenon is related to field driven irreversible structural transformation, which tends to drive the system away from an equilibrium two phase state to a nearly single phase metastable state.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 123005 |
| Deposited On: | 01 Sep 2021 12:09 |
| Last Modified: | 01 Sep 2021 12:09 |
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