| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Voltage control of magnetization switching and dynamics |
| Hong-Yu Wen(文宏玉), Jian-Bai Xia(夏建白) |
| The State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China |
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Abstract The voltage controlled magnetic switching effect is verified experimentally. The Landau-Lifshitz-Gilbert (LLG) equation is used to study the voltage controlled magnetic switching. It is found that the initial values of magnetic moment components are critical for the switching effect, which should satisfy a definite condition. The external magnetic field which affects only the oscillation period should be comparable to the internal magnetic field. If the external magnetic field is too small, the switching effect will disappear. The precessions of mx and my are the best for the tilt angle of the external magnetic field θt=0°, i.e., the field is perpendicular to the sample plane.
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Received: 22 November 2017
Revised: 09 March 2018
Accepted manuscript online:
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PACS:
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75.78.-n
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(Magnetization dynamics)
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75.30.Gw
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(Magnetic anisotropy)
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77.80.Fm
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(Switching phenomena)
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| Fund: Project supported by the Advanced Research Plan of the Chinese Academy of Sciences (Grant No.QYZDY-SSW-JSC015). |
Corresponding Authors:
Jian-Bai Xia
E-mail: xiajb@semi.ac.cn
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Cite this article:
Hong-Yu Wen(文宏玉), Jian-Bai Xia(夏建白) Voltage control of magnetization switching and dynamics 2018 Chin. Phys. B 27 067502
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