Chew, Khian Hooi and Jiang, Y. and Miao, J. and Xu, X.G. and Zhang, J.X. and Zhan, Q. (2013) Enhanced fatigue and ferroelectric properties in multiferroic (Ba 0.7Sr0.3)TiO3/(Bi1.05La 0.05)FeO3 epitaxial heterostructures. Applied Physics Letters, 102 (23). ISSN 0003-6951,
Full text not available from this repository.Abstract
Fatigue and ferroelectric properties of multiferroic (Ba 0.7Sr0.3)TiO3/(Bi1.05La 0.05)FeO3 (BST/BLF) epitaxial heterostructures are studied and compared to those of BLF single-layer films. Our studies show that oxygen vacancies V O • • are the most likely mobile defects in bilayers, whereas defect dipole complexes (F e F e 3 + ′ - V O • •) dominate the single-layer film. However, the fatigue mechanism in both structures is mainly governed by the migration of V O • •. The presence of BST layer in the bilayer increases the energy barrier for the migration of V O • • and decreases the concentration of V O • •. The BST/BLF bilayer reveals an improved fatigue and ferroelectric properties, suggesting a step towards realizing nonvolatile memory applications. © 2013 AIP Publishing LLC.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Additional Information: | Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA |
| Uncontrolled Keywords: | Defect dipoles, Epitaxial heterostructures, Fatigue mechanism, Ferroelectric property, Most likely, Multiferroics, Non-volatile memory application, Single layer films, Epitaxial films, Epitaxial growth, Ferroelectricity, Iron oxides, Ferroelectric films |
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Department of Physics |
| Depositing User: | Miss Malisa Diana |
| Date Deposited: | 29 Jul 2013 00:03 |
| Last Modified: | 03 Feb 2020 03:32 |
| URI: | http://eprints.um.edu.my/id/eprint/8246 |
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