[HTML][HTML] Ultrafast spin-currents and charge conversion at 3d-5d interfaces probed by time-domain terahertz spectroscopy

TH Dang, J Hawecker, E Rongione… - Applied Physics …, 2020 - pubs.aip.org
Spintronic structures are extensively investigated for their spin–orbit torque properties,
required for magnetic commutation functionalities. Current progress in these materials is …

Large interfacial Rashba interaction generating strong spin–orbit torques in atomically thin metallic heterostructures

S Krishnia, Y Sassi, F Ajejas, N Sebe, N Reyren… - Nano Letters, 2023 - ACS Publications
The hallmark of spintronics has been the ability of spin–orbit interactions to convert a charge
current into a spin current and vice versa, mainly in the bulk of heavy metal thin films. Here …

[HTML][HTML] Three-dimensional skyrmionic cocoons in magnetic multilayers

M Grelier, F Godel, A Vecchiola, S Collin… - Nature …, 2022 - nature.com
Three-dimensional spin textures emerge as promising quasi-particles for encoding
information in future spintronic devices. The third dimension provides more malleability …

Observation by SANS and PNR of pure Néel-type domain wall profiles and skyrmion suppression below room temperature in magnetic [Pt/CoFeB/Ru]10 multilayers

V Ukleev, F Ajejas, A Devishvili… - … and Technology of …, 2024 - Taylor & Francis
We report investigations of the magnetic textures in periodic multilayers [Pt (1 nm)/(CoFeB
(0.8 nm)/Ru (1.4 nm)] 10 using polarised neutron reflectometry (PNR) and small-angle …

Spintronic THz emitters based on transition metals and semi-metals/Pt multilayers

J Hawecker, E Rongione, A Markou, S Krishnia… - Applied Physics …, 2022 - pubs.aip.org
Spintronic terahertz (THz) emitters based on the inverse spin Hall effect in
ferromagnetic/heavy metal (FM/HM) heterostructures have become important sources for …

Origin of the anomalous Hall effect at the magnetic insulator/heavy metals interface

S Husain, N Figueiredo-Prestes, O Fayet… - Applied Physics …, 2023 - pubs.aip.org
Ferrimagnetic insulators (FIMIs) are considered to be promising candidates in spin–orbit
torque (SOT) devices due to their ability to propagate a spin current by magnons without …

[HTML][HTML] Impact of gigahertz and terahertz transport regimes on spin propagation and conversion in the antiferromagnet IrMn

O Gueckstock, RL Seeger, TS Seifert, S Auffret… - Applied Physics …, 2022 - pubs.aip.org
Control over spin transport in antiferromagnetic systems is essential for future spintronic
applications with operational speeds extending to ultrafast time scales. Here, we study the …

Phonon-mediated strong coupling between a three-dimensional topological insulator and a two-dimensional antiferromagnetic material

DQ To, W Wu, S Bhatt, Y Liu, A Janotti, JMO Zide… - Physical Review …, 2023 - APS
We numerically study strong coupling between terahertz excitations in a hybrid material
consisting of a three-dimensional (3D) topological insulator (TI) and a quasi-two …

Magnetization switching and deterministic nucleation in Co/Ni multilayered disks induced by spin–orbit torques

N Figueiredo-Prestes, S Krishnia, S Collin… - Applied Physics …, 2021 - pubs.aip.org
We present experimental and numerical results on the magnetization reversal induced by
spin–orbit torques of micronic disks of a ferromagnetic multilayer with perpendicular …

Large interfacial Rashba interaction and giant spin-orbit torques in atomically thin metallic heterostructures

S Krishnia, Y Sassi, F Ajejas, N Reyren, S Collin… - arXiv preprint arXiv …, 2022 - arxiv.org
The ability of spin-orbit interactions to convert charge current into spin current, most often in
the bulk of heavy metal thin films, has been the hallmark of spintronics in the last decade. In …