期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep08905
关键词
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资金
- National Basic Research Program of China [2015CB921502, 2012CB932702]
- National Science Foundation of China [11174031, 51371024, 51325101, 51271020]
- NCET
- PCSIRT
- Fundamental Research Funds for the Central Universities
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.
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