Kalyani, Ajay Kumar ; Garg, Rohini ; Ranjan, Rajeev (2009) Tendency to promote ferroelectric distortion in Pr-modified PbTiO3 Applied Physics Letters, 95 (22). p. 222904. ISSN 0003-6951
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Official URL: http://doi.org/10.1063/1.3269999
Related URL: http://dx.doi.org/10.1063/1.3269999
Abstract
Structural, microstructural, and dielectric studies have been carried out on Pr-modified PbTiO3. A comparative analysis with La-modified PbTiO3 suggests that for chemical modification by same amount, the Pr-modified system has larger tetragonal strain and Curie point. No clear feature of relaxor ferroelectric state is observed for Pr concentration as high as x=0.35, suggesting that Pr modification is less effective, as compared to La-modification, in inducing a relaxor ferroelectric state. Results suggest that inspite of increased chemical disorder, Pr modification partly tends to restore the ferroelectric distortion of the lattice through partial occupancy of the Pr4+ ions on the Ti4+ sites.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 123032 |
| Deposited On: | 02 Sep 2021 11:04 |
| Last Modified: | 02 Sep 2021 11:04 |
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