Brajesh, Kumar ; Kalyani, Ajay Kumar ; Ranjan, Rajeev (2015) Ferroelectric instabilities and enhanced piezoelectric response in Ce modified BaTiO3 lead-free ceramics Applied Physics Letters, 106 (1). 012907. ISSN 0003-6951
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Official URL: http://doi.org/10.1063/1.4905355
Related URL: http://dx.doi.org/10.1063/1.4905355
Abstract
The crystal structure, ferroelectric, and piezoelectric behaviors of the Ba(Ti1−xCex)O3 solid solution have been investigated at close composition intervals in the dilute concentration regime. Ce concentration as low as 2 mol. % induces tetragonal-orthorhombic instability and coexistence of the phases, leading to enhanced high-field strain and direct piezoelectric response. Detailed structural analysis revealed tetragonal + orthorhombic phase coexistence for x = 0.02, orthorhombic for 0.03 ≤ x ≤ 0.05, and orthorhombic + rhombohedral for 0.06 ≤ x ≤ 0.08. The results suggest that Ce-modified BaTiO3 is a potential lead-free piezoelectric material.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 122989 |
| Deposited On: | 01 Sep 2021 09:12 |
| Last Modified: | 01 Sep 2021 09:12 |
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