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
发表期刊NATURE COMMUNICATIONS
卷号9
摘要The 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.
关键词Spin-orbit-torque Magnetization Films Layer
学科领域Polymer Science
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17410
专题2018专题
推荐引用方式
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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