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Electric-field-induced in-plane effective 90° magnetization rotation in Co2FeAl/PMN-PT structure |
Cai Zhou(周偲)1,3, Dengyu Zhu(朱登玉)1,3, Fufu Liu(刘福福)2, Cunfang Feng(冯存芳)1,3, Mingfang Zhang(张铭芳)1,3, Lei Ding(丁磊)1,3, Mingyao Xu(许明耀)1,3,†, and Shengxiang Wang(汪胜祥)1,3,‡ |
1 Hubei Province Engineering Research Center for Intelligent Micro-nano Medical Equipment and Key Technologies, Wuhan Textile University, Wuhan 430200, China; 2 Key Laboratory for Magnetism and Magnetic Materials, Ministry of Education, Lanzhou University, Lanzhou 730000, China; 3 Hubei Engineering and Technology Research Center for Functional Fiber Fabrication and Testing, Wuhan Textile University, Wuhan 430200, China |
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Abstract The in-plane effective 90° magnetization rotation of Co2FeAl thin film grown on PMN-PT substrate induced by the electric field is investigated at room temperature. The magnetic hysteresis loops under different positive and negative electric fields are obtained, which reveals remanent magnetization can be mediated by the electric field. Moreover, under positive electric fields, the obvious 90° magnetization rotation can be observed, while remanent magnetization is nearly unchanged under negative electric fields. The result is consistent with the electric field dependence of effective magnetic field, which can be attributed to the piezostrain effect in Co2FeAl/PMN-PT structure. In addition, the piezostrain-mediated 90° magnetization rotation can be demonstrated by the result of resonance field changing with electric field in the measurement of ferromagnetic resonance, which is promising for the design of future multiferroic devices.
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Received: 18 August 2020
Revised: 23 December 2020
Accepted manuscript online: 04 January 2021
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PACS:
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75.70.Cn
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(Magnetic properties of interfaces (multilayers, superlattices, heterostructures))
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75.30.Gw
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(Magnetic anisotropy)
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32.30.Dx
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(Magnetic resonance spectra)
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 51901163 and 61903280) and the Foundation of Wuhan Textile University (Grant Nos. 193128 and 205033). |
Corresponding Authors:
Mingyao Xu, Shengxiang Wang
E-mail: 1988018@wtu.edu.cn;shxwang@wtu.edu.cn
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Cite this article:
Cai Zhou(周偲), Dengyu Zhu(朱登玉), Fufu Liu(刘福福), Cunfang Feng(冯存芳), Mingfang Zhang(张铭芳), Lei Ding(丁磊), Mingyao Xu(许明耀), and Shengxiang Wang(汪胜祥) Electric-field-induced in-plane effective 90° magnetization rotation in Co2FeAl/PMN-PT structure 2021 Chin. Phys. B 30 057504
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