Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 14, Pages 16148-16152Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.07.132
Keywords
Dielectric properties; Ferroelectric properties; Piezoelectric properties
Categories
Funding
- National Key Project for Basic Research of China [201 3CB632900]
- International Science & Technology Cooperation Program of China [2013DFR50800]
- NSAF [U1330119]
- National Natural Science Foundation of China [61137004, 61275181]
- External Cooperation Program of BIC, CAS [121631KYSB20130003]
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Plate-like BaTiO3 (BT) particles were synthesized by the topochemical reaction method and BT textured PMNT ceramics were sintered from 1000 degrees C to 1200 degrees C. The microstructure and properties evolution were investigated in detail. Highly textured PMNT ceramics were obtained by sintering at temperature above 1150 degrees C, and the microstructure also changed from small equiaxed grains to large cubic grains. Ferro electric and piezoelectric properties improved with increase of sintering temperature. Textured PMNT ceramics sintered at 1150 degrees C exhibit the largest electric field induced strain which was 2 times larger than that of untextured ceramics due to high degree of orientation and relative high density. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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