Emergence of spin–charge conversion functionalities due to spatial and time-reversal asymmetries and chiral symmetry

K Kondou, Y Otani - Frontiers in Physics, 2023 - frontiersin.org
Spin–charge conversion (SCC) leads to the driving principle of spintronics devices, such as
non-volatile magnetic memory and energy harvesting devices from light, sound, and heat to …

Exploiting spin fluctuations for enhanced pure spin current

PH Wu, D Qu, YC Tu, YZ Lin, CL Chien, SY Huang - Physical Review Letters, 2022 - APS
We demonstrate the interplay of pure spin current, spin-polarized current, and spin
fluctuation in 3 d Ni x Cu 1− x. By tuning the compositions of the Ni x Cu 1− x alloys, we …

Interfacial tuning of anisotropic Gilbert dam**

L Chen, S Mankovsky, M Kronseder, D Schuh… - Physical Review Letters, 2023 - APS
Tuning of the anisotropic Gilbert dam** Δ α has been realized in ultrathin single-
crystalline Fe films grown on GaAs (001). A nonmonotonic dependence of Δ α on film …

Efficient and temperature-independent terahertz emission from CoFeB/NiCu heterostructures

H Cheng, Y Wang, H He, Q Huang, Y Lu - Physical Review B, 2022 - APS
Spintronic terahertz (THz) emission has been investigated in ferromagnetic (FM)
metal/nonmagnetic (NM) metal, FM/semiconductor, and FM/topological insulator systems …

Electrical measurement of the spin Hall effect isotropy in ferromagnets with strong spin-orbit interactions

M Cosset-Chéneau, MH Fahmy, A Kandazoglou… - Physical Review B, 2022 - APS
The spin-dependent transport properties of paramagnetic metals are roughly invariant under
rotation. By contrast, in ferromagnetic materials, the magnetization breaks the rotational …

[HTML][HTML] Spin–orbit torques and magnetization switching in Gd/Fe multilayers generated by current injection in NiCu alloys

F Nasr, F Binda, CH Lambert, G Sala, P Noël… - Applied Physics …, 2023 - pubs.aip.org
Light transition metals have recently emerged as a sustainable material class for efficient
spin–charge interconversion. We report measurements of current-induced spin–orbit …

[HTML][HTML] Absorption of transverse spin current in ferromagnetic NiCu: Dominance of bulk dephasing over spin-flip scattering

Y Lim, S Wu, DA Smith, C Klewe, P Shafer… - Applied Physics …, 2022 - pubs.aip.org
In ferromagnetic metals, transverse spin currents are thought to be absorbed via dephasing—
ie, destructive interference of spins precessing about the strong exchange field. Yet, due to …

Enhanced spin-orbit torque efficiency in Pt100–x Ni x alloy based magnetic bilayer

C He, Q Chen, S Shen, J Wei, H Xu, Y Zhao… - Chinese …, 2021 - iopscience.iop.org
The binary alloy/ferromagnetic metal heterostructure has drawn extensive attention in the
research field of spin–orbit torque (SOT) due to the potential enhancement of SOT efficiency …

Controllable spin current in van der Waals ferromagnet

J Zhou, JC Charlier - Physical Review Research, 2021 - APS
The control of spin current is pivotal for spintronic applications, especially for spin-orbit
torque devices. The spin Hall effect is a prevalent method to generate spin current. However …

Spin to charge current interconversion in Rasha interfaces and topological insulators

M Cosset-Cheneau - 2022 - theses.hal.science
Spin-to-charge current interconversion in non-magnetic systems is based on the spin-orbit
coupling. During the past ten years, spintronics has been deeply transformed by the use of …