Abstract
Pb0.97La0.03(Zr0.9Ti0.1)0.9925O3 (PLZT 3/90/10) ceramics prepared by solid-state reaction with the compositions near the antiferroelectric/ferroelectric (FE/AFE) phase boundary were studied. From the polarization–electric field P(E) dependence and ex situ X-ray study, an irreversible electric field induced AFE-to-FE phase transition is verified at room temperature. Dielectric and in situ temperature dependent X-ray analysis evidence that the phase transition sequence in PLZT 3/90/10-based ceramics can be readily altered by poling. A first order antiferroelectric-paraelectric (AFE-to-PE) transition occurred at ∼190 °C in virgin sample and at ∼180 °C in poled sample. In addition, a FE-to-AFE transition occurs in the poled ceramic at much lower temperatures (∼120 °C) with respect to the Curie range (∼190 °C). The temperature-induced FE-to-AFE transition is diffuse and takes place in a broad temperature range of 72–135 °C. The recovery of AFE is accompanied by an enhancement in the piezoelectric properties.
Original language | English |
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Pages (from-to) | 1479-1487 |
Number of pages | 9 |
Journal | Journal of the European Ceramic Society |
Volume | 38 |
Issue number | 4 |
DOIs | |
State | Published - Apr 2018 |
Funding
The room temperature and in situ temperature X-ray diffraction results were obtained during the mobility of I.V. Ciuchi in North Carolina State University (Raleigh, North Carolina, USA) which was funded by JECS Trust (Contract No 201363-17). I.V.C. and C.G. acknowledge the financial support of the RITMARE Italian Flagship Project . L.M. acknowledges the COST Action MP1308 . This work was performed in part at the Analytical Instrumentation Facility (AIF) at North Carolina State University, which is supported by the State of North Carolina and the National Science Foundation (award number ECCS-1542015). The AIF is a member of the North Carolina Research Triangle Nanotechnology Network (RTNN), a site in the National Nanotechnology Coordinated Infrastructure (NNCI).
Funders | Funder number |
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National Science Foundation | ECCS-1542015 |
North Carolina State University | |
Seventh Framework Programme | 290591 |
JECS Trust | 201363-17 |
Keywords
- Antiferroelectrics
- Ceramics
- Depolarization temperature
- Ferroelectrics
- Phase transitions
- Piezoelectricity