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- Title
Strain-mediated electric-field control of exchange bias in a Co<sub>90</sub>Fe<sub>10</sub>/BiFeO<sub>3</sub>/SrRuO<sub>3</sub>/PMN-PT heterostructure.
- Authors
Wu, S. Z.; Miao, J.; Xu, X. G.; Yan, W.; Reeve, R.; Zhang, X. H.; Jiang, Y.
- Abstract
The electric-field (E-field) controlled exchange bias (EB) in a Co90Fe10/BiFeO3 (BFO)/SrRuO3/PMN-PT heterostructure has been investigated under different tensile strain states. The in-plane tensile strain of the BFO film is changed from +0.52% to +0.43% as a result of external E-field applied to the PMN-PT substrate. An obvious change of EB by the control of non-volatile strain has been observed. A magnetization reversal driven by E-field has been observed in the absence of magnetic field. Our results indicate that a reversible non-volatile E-field control of a ferromagnetic layer through strain modulated multiferroic BFO could be achieved at room temperature.
- Subjects
ELECTROMAGNETIC fields; MAGNETIZATION; ELECTROSTATICS; METEOROLOGY; CURIE temperature
- Publication
Scientific Reports, 2015, p8905
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep08905