| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Theoretical Investigation of Influence of Mechanical Stress on Magnetic Properties of Ferromagnetic/Antiferromagnetic Bilayers Deposited on Flexible Substrates |
| Yu-Hao Bai1,2, Xia Wang2, Lin-Ping Mu1, Xiao-Hong Xu2** |
1College of Physics and Electronic Information, Shanxi Normal University, Linfen 041004
2School of Chemistry and Materials Science, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), Shanxi Normal University, Linfen 041004
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| Cite this article: |
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Yu-Hao Bai, Xia Wang, Lin-Ping Mu et al 2016 Chin. Phys. Lett. 33 087501 |
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Abstract Effect of mechanical stress on magnetic properties of an exchange-biased ferromagnetic/antiferromagnetic bilayer deposited on a flexible substrate is investigated. The hysteresis loops with different magnitudes and orientations of the stress can be classified into three types. The corresponding physical conditions for each type of the loop are deduced based on the principle of minimal energy. The equation of the critical stress is derived, which can judge whether the loops show hysteresis or not. Numerical calculations suggest that except for the magnitude of the mechanical stress, the relative orientation of the stress is also an important factor to tune the exchange bias effect.
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Received: 25 March 2016
Published: 31 August 2016
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| PACS: |
75.30.Gw
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(Magnetic anisotropy)
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75.60.Jk
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(Magnetization reversal mechanisms)
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75.70.-i
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(Magnetic properties of thin films, surfaces, and interfaces)
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