| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1475863 | Journal of the European Ceramic Society | 2013 | 8 Pages |
Abstract
The ferroelectric and dielectric properties of cerium (Ce) substituted La2Ti2O7 (LTO) have been investigated. Single phase, dense La2−xCexTi2O7 (x = 0.15, 0.25, 0.35) ceramics were prepared by spark plasma sintering. The solubility limit of Ce in La2−xCexTi2O7 was found to be between 0.35 and 0.5. The a-, b- and c-axes of the unit cell decrease with increasing Ce substitution. The Curie point (Tc) of La2−xCexTi2O7 (x = 0, 0.15, 0.25, 0.35) decreases and dielectric constant and loss increase with increasing Ce substitution. Cerium can increase the d33 of La2Ti2O7. The highest d33 was 3.9 ± 0.1 pC/N for La1.85Ce0.15Ti2O7 textured ceramic.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Z.P. Gao, H.X. Yan, H.P. Ning, R. Wilson, X.Y. Wei, B. Shi, H. Ye, M.J. Reece,