spin hall effect
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2022 ◽  
Vol 5 (1) ◽  
Author(s):  
Hiroyuki Moriya ◽  
Akira Musha ◽  
Satoshi Haku ◽  
Kazuya Ando

AbstractThe physics of the anomalous and spin Hall effects is one of the most intriguing aspects of condensed matter physics. An important finding from a large collection of experimental and theoretical results is the universal scaling of the anomalous or spin Hall conductivity with the electric conductivity. This scaling has been successfully described by the intrinsic Berry curvature and extrinsic scattering mechanisms for metallic systems, revealing the topological nature of these effects. In contrast, the underlying physics in the opposite limit, the disordered insulating regime, is still unclear. In particular, it remains a major challenge, both experimentally and theoretically, to explore the spin Hall effect in the insulating regime. Here, we report the observation of the crossover between the metallic and insulating regimes of the spin Hall effect. The result demonstrates a direct correspondence between the spin and anomalous Hall effects, which will advance the fundamental understanding of spin transport.


2022 ◽  
Author(s):  
Yunpeng Wu ◽  
Shuoqing Liu ◽  
Shizhen Chen ◽  
Hailu Luo ◽  
Shuangchun Wen

2022 ◽  
Vol 9 ◽  
Author(s):  
Yuxuan Xiao ◽  
Hailong Wang ◽  
Eric E. Fullerton

We report on the spin Hall effect in epitaxial Pt films with well-defined crystalline (200), (220), and (111) orientations and smooth surfaces. The magnitude of the spin Hall effect has been determined by spin–torque ferromagnetic resonance measurements on epitaxial Pt/Py heterostructures. We observed a 54% enhancement of the charge-to-spin conversion efficiency of the epitaxial Pt when currents are applied along the in-plane <002> direction. Temperature-dependent harmonic measurements on epitaxial Pt/Co/Ni heterostructures compared to a polycrystalline Pt/Co/Ni suggest the extrinsic mechanism underlying spin Hall effect in epitaxial Pt. Our work contributes to the development of energy-efficient spintronic devices by engineering the crystalline anisotropy of non-magnetic metals.


2022 ◽  
Author(s):  
Xiaolin Zeng ◽  
Yu Liu ◽  
yang zhang ◽  
Jing Wu ◽  
Shenbo Zhu ◽  
...  

2021 ◽  
Vol 13 (4) ◽  
pp. 479-486
Author(s):  
Gennady A. Ovsyannikov ◽  
◽  
Karen Y. Constantinian ◽  
Vladislav A. Shmakov ◽  
Anton V. Shadrin ◽  
...  

Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences The paper presents the results of fabrication and structural study of SrIrO3/La0.7Sr0.3MnO3 heterostructures. The results of experimental studies of the spin current arising in the regime of ferromagnetic resonance are presented. The spin-orbit interaction present in 5d-oxides of transition metals, which is SrIrO3, provides an effective conversion of spin current to charge current due to the inverse spin Hall effect. The angular dependence of spin magnetoresistance makes it possible to determine the angle of the spin Hall effect.


2021 ◽  
Vol 104 (22) ◽  
Author(s):  
R. S. Nair ◽  
M. S. Rang ◽  
Paul J. Kelly
Keyword(s):  

2021 ◽  
Author(s):  
Ling Huang ◽  
Yan He ◽  
xiaoying zhou ◽  
Guanghui Zhou

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