Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1474059 | Journal of the European Ceramic Society | 2012 | 7 Pages |
Abstract
A new ferroelectric solid solution of (1 â x)Ba(Lu1/2Nb1/2)O3-xPbTiO3 (BLN-PT) (0 â¤Â x â¤Â 1) has been synthesized by solid state reactions. Its structure and electric properties have been studied by X-ray diffraction and di-/ferro-electric measurements. Based on the investigation, a partial solid state phase diagram of the binary BLN-PT ceramics system has been established, which exhibits a morphotropic phase boundary (MPB) region in the composition range of 0.64 â¤Â x â¤Â 0.68. The Curie temperature is measured to be around 250 °C in the vicinity of the MPB region, which is much higher than that of PMNT or PZNT system. The dielectric behavior has been discussed based on Curie-Weiss Law and Lorentz-type quadratic relationship. With increasing PT content, a transformation from relaxor to ferroelectric phase has been demonstrated in the solid solution system.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Dongquan Shen, Xiuzhi Li, Zujian Wang, Ying Liu, Chao He, Tao Li, Xifa Long,