Microstructure and properties evolution for textured PbMg1/3Nb2/3O3-PbTiO3 ceramics

Plate-like BaTiO3 (BT) particles were synthesized by the topochemical reaction method and BT textured PMNT ceramics were sintered from 1000°C to 1200°C. The microstructure and properties evolution were investigated in detail. Highly textured PMNT ceramics were obtained by sintering at temperature ab...

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Bibliographic Details
Published in:Ceramics international 2016-11, Vol.42 (14), p.16148-16152
Main Authors: Zeng, Jiangtao, Zhang, Dan, Xu, Honglai, Du, Yinglei, Zhao, Kunyu, Ruan, Wei, Zheng, Liaoying, Li, Guorong
Format: Article
Language:English
Subjects:
Dielectric properties
Ferroelectric properties
Piezoelectric properties
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Summary:Plate-like BaTiO3 (BT) particles were synthesized by the topochemical reaction method and BT textured PMNT ceramics were sintered from 1000°C to 1200°C. The microstructure and properties evolution were investigated in detail. Highly textured PMNT ceramics were obtained by sintering at temperature above 1150°C, and the microstructure also changed from small equiaxed grains to large cubic grains. Ferroelectric and piezoelectric properties improved with increase of sintering temperature. Textured PMNT ceramics sintered at 1150°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.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2016.07.132