Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 97, Issue 3, Pages 848-853Publisher
WILEY-BLACKWELL
DOI: 10.1111/jace.12712
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Funding
- National Natural Science Foundation [51172187]
- SPDRF [20116102130002, 20116102120016]
- 111 Program of MOE [B08040]
- Xi'an Science and Technology Foundation [CX1261-2, CX1261-3, CX12174]
- NPU Fundamental Research Foundation of China [NPU-FFR-JC201232]
- Chinese Scholarship Council
- EPSRC [EP/G005001/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G005001/1] Funding Source: researchfish
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Relaxor ferroelectrics (0.94-x)(Bi0.5Na0.5)TiO3-0.06BaTiO(3-x)(Sr0.7Bi0.20.1)TiO3 (BNT-BT-xSBT) (0x0.5), were prepared by a solid-state reaction process, and their structures were characterized by the transmission electron microscopy and Raman spectroscopy. The BNT-BT-0.3SBT has a very high electrostrictive strain S=0.152% with hysteresis-free behavior, much more than the reported S in other ferroelectrics. S-P-2 profiles perfectly follow the quadratic relation, which indicates a purely electrostrictive effect with a high electrostrictive coefficient (Q(11)) of 0.0297m(4)/C-2. Even, its Q(11) keeps at a high level in the temperature range from ambient temperature to 180 degrees C. The field-induced large electrostrictive strain of BNT-BT-0.3SBT was attributed to the existence of ferroelectric nanodomains.
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