Interfacial mechanism in the anomalous Hall effect of Co/Bi_2O_3 bilayers

Sagasta Edurne; Borge Juan; Esteban Luis; Omori Yasutomo; Gradhand Martin; Otani YoshiChika; Hueso Luis E.; Casanova Felix

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Interfacial mechanism in the anomalous Hall effect of Co/Bi_2O_3 bilayers

机译：Co / Bi_2O_3双层的异常霍尔效应中的界面机制

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Oxide interfaces are a source of spin-orbit coupling which can lead to novel spin-to-charge conversion effects. In this Rapid Communication, the contribution of the Bi2O3 interface to the anomalous Hall effect (AHE) of Co is experimentally studied in Co/Bi2O3 bilayers. We evidence a variation of similar to 40% in the AHE of Co when a Bi2O3 capping layer is added to the ferromagnet. This strong variation is attributed to an additional source of asymmetric transport in Co/Bi2O3 bilayers that originates from the Co/Bi2O3 interface and contributes to the skew scattering.

机译：氧化物界面是旋转轨道耦合的源，这可以导致新的旋击电荷转换效果。在这种快速的通信中，在CO / Bi2O3双层的实验研究了CO的同系的异常霍尔效应（AHE）的贡献。当将Bi2O3覆盖层添加到铁磁性时，我们证据了CO的AHE中类似于40％的变化。这种强的变化归因于CO / BI2O3双层的附加不对称传输来源，该双层源自CO / BI2O3界面并有助于偏斜散射。

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来源
《Physical review》 |2019年第10期|100407.1-100407.5|共5页
作者
Sagasta Edurne; Borge Juan; Esteban Luis; Omori Yasutomo; Gradhand Martin; Otani YoshiChika; Hueso Luis E.; Casanova Felix;
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CIC NanoGUNE Donostia San Sebastian 20018 Basque Country Spain;

Univ Basque Country Nanobio Spectroscop Grp Dept Fis Mat Donostia San Sebastian 20018 Basque Country Spain;

CIC NanoGUNE Donostia San Sebastian 20018 Basque Country Spain;

Univ Tokyo Inst Solid State Phys Kashiwa Chiba 2778581 Japan;

Univ Bristol HH Wills Phys Lab Bristol BS8 1TL Avon England;

Univ Tokyo Inst Solid State Phys Kashiwa Chiba 2778581 Japan|RIKEN CEMS 2-1 Hirosawa Wako Saitama 3510198 Japan;

CIC NanoGUNE Donostia San Sebastian 20018 Basque Country Spain|Basque Fdn Sci IKERBASQUE Bilbao 48013 Basque Country Spain;

CIC NanoGUNE Donostia San Sebastian 20018 Basque Country Spain|Basque Fdn Sci IKERBASQUE Bilbao 48013 Basque Country Spain;

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1. Interfacial mechanism in the anomalous Hall effect of Co/Bi2O3 bilayers [J] . Sagasta Edurne, Borge Juan, Esteban Luis, Physical review, B . 2019,第10期

机译：Co / Bi2O3双层异常霍尔效应的界面机制
2. Tuning anomalous Hall effect in bilayers films by the interfacial spin-orbital coupling [J] . Wang G. L., Wu S. X., Meng M., Journal of Applied Physics . 2018,第11期

机译：通过界面自旋-轨道耦合调节双层薄膜的异常霍尔效应
3. Mechanism for Anomalous Hall Ferromagnetism in Twisted Bilayer Graphene [J] . Bultinck Nick, Chatterjee Shubhayu, Zaletel Michael P. Physical review letters . 2020,第16期

机译：异常霍尔铁磁性在扭曲双层石墨烯中的机制
4. Spin-transfer torque in ferromagnetic bilayers generated by anomalous Hall effect and anisotropic magnetoresistance [C] . Tomohiro Taniguchi, Julie Grollier, M. D. Stiles Spintronics symposium . 2016

机译：霍尔效应和各向异性磁阻引起的铁磁双层膜中的自旋转移转矩
5. Anomalous Hall Effect Measurements of Bilayer Magnetic Structures [D] . Griffiths, Rhys Alun. 2017

机译：双层磁性结构的异常霍尔效应测量
6. Quantum anomalous Hall and quantum spin-Hall phases in flattened Bi and Sb bilayers [O] . Kyung-Hwan Jin, Seung-Hoon Jhi -1

机译：平坦的Bi和Sb双层中的量子异常Hall和量子自旋Hall相
7. Anomalous Hall Resistance in Bilayer Quantum Hall Systems [O] . Ezawa, Z. F., Suzuki, S., Tsitsishvili, G. 2007

机译：双层量子霍尔系统中的霍尔电阻异常

Interfacial mechanism in the anomalous Hall effect of Co/Bi_2O_3 bilayers

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