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Title: Field induced metastable ferroelectric phase in Pb0.97La0.03(Zr0.90Ti0.10)0.9925O3 ceramics

Journal Article · · Journal of the European Ceramic Society
 [1];  [2];  [3];  [4];  [2];  [5];  [4]
  1. National Research Council of Italy (CNR), Faenza (Italy). Istituto di Scienza e Tecnologia dei Materiali Ceramici (ISTEC); Alexandru Ioan Cuza Univ., Iasi (Romania)
  2. North Carolina State Univ., Raleigh, NC (United States). Dept. of Materials Science and Engineering
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States).Neutron Scattering Science Directorate
  4. National Research Council of Italy (CNR), Faenza (Italy). Istituto di Scienza e Tecnologia dei Materiali Ceramici (ISTEC)
  5. Alexandru Ioan Cuza Univ., Iasi (Romania)

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. Lastly, the recovery of AFE is accompanied by an enhancement in the piezoelectric properties.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; National Science Foundation (NSF)
Grant/Contract Number:
AC05-00OR22725; 201363-17
OSTI ID:
1430622
Alternate ID(s):
OSTI ID: 1582747
Journal Information:
Journal of the European Ceramic Society, Vol. 38, Issue 4; ISSN 0955-2219
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

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Phase transition behavior of Pb(Hf, Sn, Ti, Nb)O 3 ceramics at morphotropic phase boundary journal October 2019