NIMTE OpenIR  > 2018专题
Anomalous Hall magnetoresistance in a ferromagnet
Yang, Yumeng; Luo, Ziyan; Wu, Haijun; Xu, Yanjun; Li, Run-Wei; Pennycook, Stephen J.; Zhang, Shufeng; Wu, Yihong
2018
Source PublicationNATURE COMMUNICATIONS
Volume9
AbstractThe anomalous Hall effect, observed in conducting ferromagnets with broken time-reversal symmetry, offers the possibility to couple spin and orbital degrees of freedom of electrons in ferromagnets. In addition to charge, the anomalous Hall effect also leads to spin accumulation at the surfaces perpendicular to both the current and magnetization direction. Here, we experimentally demonstrate that the spin accumulation, subsequent spin backflow, and spin-charge conversion can give rise to a different type of spin current-related spin current related magnetoresistance, dubbed here as the anomalous Hall magnetoresistance, which has the same angular dependence as the recently discovered spin Hall magnetoresistance. The anomalous Hall magnetoresistance is observed in four types of samples: co-sputtered (Fe1-xMnx)(0.6)Pt-0.4, Fe1-xMnx/Pt multilayer, Fe1-xMnx with x = 0.17-0.65 and Fe, and analyzed using the drift-diffusion model. Our results provide an alternative route to study charge-spin conversion in ferromagnets and to exploit it for potential spintronic applications.
KeywordSpin-orbit-torque Magnetization Films Layer
Subject AreaPolymer Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17409
Collection2018专题
Recommended Citation
GB/T 7714
Yang, Yumeng,Luo, Ziyan,Wu, Haijun,et al. Anomalous Hall magnetoresistance in a ferromagnet[J]. NATURE COMMUNICATIONS,2018,9.
APA Yang, Yumeng.,Luo, Ziyan.,Wu, Haijun.,Xu, Yanjun.,Li, Run-Wei.,...&Wu, Yihong.(2018).Anomalous Hall magnetoresistance in a ferromagnet.NATURE COMMUNICATIONS,9.
MLA Yang, Yumeng,et al."Anomalous Hall magnetoresistance in a ferromagnet".NATURE COMMUNICATIONS 9(2018).
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