Exchange bias effect modified asymmetric magnetization reversal in Ni/YMnO3 multiferroic bilayers

Gong Junlu; Zheng Dongxing; Li Dong; Jin Chao; Li Peng; Feng Liefeng; Bai Haili

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Exchange bias effect modified asymmetric magnetization reversal in Ni/YMnO3 multiferroic bilayers

机译：Ni / YMnO3多铁双层膜中交换偏压效应修正的不对称磁化反转

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Exchange bias (EB) effect modified asymmetric magnetization reversal in Ni/YMnO3 multiferroic bilayers was investigated by combining anisotropic magnetoresistance (AMR) with free energy methods. The promotion and inhibition effects of EB field on magnetization rotation result in the asymmetry of magnetization reversal. The AMR curves exhibit shape transition from arc-like to sin(2)theta(H)-dependence with increasing external fields due to the competition between Zeeman energy and interfacial coupling energy. The phase shift and asymmetric behaviors become weak as the EB field decreases. Our work suggests that controlling the EB effect can be an alternative way to manipulate the magnetization reversal in exchange biased systems. (C) 2016 Elsevier B.V. All rights reserved.

机译：通过将各向异性磁阻（AMR）与自由能方法相结合，研究了Ni / YMnO3多铁双层膜中交换偏压（EB）效应修正的不对称磁化反转。 EB场对磁化旋转的促进和抑制作用导致磁化反转的不对称性。由于塞曼能和界面耦合能之间的竞争，随着外部电场的增加，AMR曲线呈现出从弧形到正弦（2）θ（H）的形状过渡。随着EB场的减小，相移和不对称行为变弱。我们的工作表明，控制EB效应可以作为一种在交换偏置系统中操纵磁化反转的替代方法。（C）2016 Elsevier B.V.保留所有权利。

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来源
《Applied Surface Science》 |2016年第15期|44-48|共5页
作者
Gong Junlu; Zheng Dongxing; Li Dong; Jin Chao; Li Peng; Feng Liefeng; Bai Haili;
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作者单位

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

Tianjin Univ, Inst Adv Mat Phys, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Fac Sci, Tianjin 300072, Peoples R China;

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正文语种 eng
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关键词
Exchange bias; Magnetization reversal; Anisotropic magnetoresistance;

机译：交换偏置磁化反转各向异性磁阻;

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专利

1. Exchange bias effect modulated anisotropic magnetoresistance in Fe/YMnO3 multiferroic bilayers [J] . Zheng D. X., Gong J. L., Jin C., Materials Letters . 2015,第octa1期

机译：Fe / YMnO3多铁双层膜中交换偏压效应调制的各向异性磁阻
2. The role of rotatable anisotropy in the asymmetric magnetization reversal of exchange biased NiO/Ni bilayers [J] . P. Y. Yang, C. Song, B. Fan, Journal of Applied Physics . 2009,第1期

机译：旋转各向异性在交换偏压的NiO / Ni双层不对称磁化反转中的作用
3. Influence of mesoporous or parasitic BiFeO_3 structural state on the magnetization reversal in multiferroic BiFeO_3/Ni_(81)Fe_(19) polycrystalline bilayers [J] . Jahjah W., Jay J. -Ph., Le Grand Y., Journal of Applied Physics . 2018,第23期

机译：介孔或寄生BiFeO_3结构态对多铁性BiFeO_3 / Ni_（81）Fe_（19）多晶双层中磁化反转的影响
4. Magnetization Reversal Mechanism in Ni/sub 81/fe/sub 19/ni/sub 0.25/co/sub 0.75/o Exchange-Coupled Bilayer Films [C] . Petford-Long A.K., Takano K., Institute of Electric and Electronic Engineer Joint MMM-Intermag Conference . 1998

机译：Ni / Sub 81 / Fe / Sub 19 / Ni / Sub 0.25 / Co / Sub 0.75 / O交换耦合双层膜中的磁化反转机制
5. Magnetization reversal study on patterned ferromagnetic and exchange-biased systems. [D] . Jang, Hyuk-Jae. 2007

机译：图案化铁磁和交换偏置系统的磁化反转研究。
6. Electric field induced reversible 180° magnetization switching through tuning of interfacial exchange bias along magnetic easy-axis in multiferroic laminates [O] . Xu Xue, Ziyao Zhou, Bin Peng, -1

机译：通过调节多铁叠层中沿磁易轴的界面交换偏压电场感应的可逆180°磁化强度转换
7. Uncompensated magnetization and exchange-bias field in La0.7Sr0.3MnO3/YMnO3 bilayers: The influence of the ferromagnetic layer [O] . Zandalazini, C., Esquinazi, P., Bridoux, G., 2011

机译：La0.7sr0.3mnO3 / YmnO3双层中未补偿的磁化和交换偏置场：铁磁层的影响

Exchange bias effect modified asymmetric magnetization reversal in Ni/YMnO3 multiferroic bilayers

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