All-optical spin switching on an ultrafast time scale

W Hübner, G Lefkidis, GP Zhang - Journal of Physics: Condensed …, 2024 - iopscience.iop.org
Abstract Information technology revolution demands bigger and faster magnetic storage. All-
optical spin switching (AOS) may offer a solution, where an ultrafast laser pulse alone can …

Spin current driven by ultrafast magnetization of FeRh

K Kang, H Omura, D Yesudas, OJ Lee, KJ Lee… - Nature …, 2023 - nature.com
Laser-induced ultrafast demagnetization is an important phenomenon that probes arguably
the ultimate limits of the angular momentum dynamics in solid. Unfortunately, many aspects …

Modeling ultrafast demagnetization and spin transport: The interplay of spin-polarized electrons and thermal magnons

M Beens, RA Duine, B Koopmans - Physical Review B, 2022 - APS
We theoretically investigate laser-induced spin transport in metallic magnetic
heterostructures using an effective spin-transport description that treats itinerant electrons …

Spin dynamics at interfaces on femtosecond timescales

A Eschenlohr - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
The excitation of magnetically ordered materials with ultrashort laser pulses results in
magnetization dynamics on femto-to picosecond timescales. These non-equilibrium spin …

Magnetic dam** in ferromagnetic/heavy-metal systems: The role of interfaces and the relation to proximity-induced magnetism

C Swindells, H Głowiński, Y Choi, D Haskel… - Physical Review B, 2022 - APS
Dam** and spin transport in spintronic multilayered systems continues to be a topic of
active research. The enhancement of dam** in ferromagnet (FM)/spacer layer (SL)/heavy …

Field‐Free Spin‐Orbit Torque Switching in Perpendicularly Magnetized Ta/CoFeB/MgO/NiO/Ta with a Canted Antiferromagnetic Insulator NiO Interlayer

Z Zhang, Z Li, Y Chen, F Zhu, Y Yan, Y Li… - Advanced Functional …, 2024 - Wiley Online Library
In this study, deterministic current‐induced spin‐orbit torque (SOT) magnetization switching
is achieved, particularly in systems with perpendicular magnetic anisotropy (PMA), without …

Electronic energy transport in nanoscale Au/Fe hetero-structures in the perspective of ultrafast lattice dynamics

M Mattern, A von Reppert, SP Zeuschner… - Applied Physics …, 2022 - pubs.aip.org
We study the ultrafast electronic transport of energy in a photoexcited nanoscale Au/Fe
hetero-structure by modeling the spatiotemporal profile of energy densities that drives …

Photon Energy‐Dependent Optical Spin‐Orbit Torque in Heavy Metal–Ferromagnet Bilayers

C Wang, Y Xu, Y Liu - Advanced Functional Materials, 2024 - Wiley Online Library
The manipulation of magnetization through optically generated ultrafast spin currents is a
fascinating area that needs a thorough understanding for its potential future applications. In …

[HTML][HTML] The observation of spin Seebeck effect in opposite spin Hall angle materials of polycrystalline bulk-Fe3O4/(Co/Fe) systems

R Bavontaweepanya, Y Infahsaeng, E Pongophas… - AIP Advances, 2022 - pubs.aip.org
In this study, we report on the observation of spin current in opposite spin Hall angle
materials of polycrystalline bulk-Fe 3 O 4/Co and polycrystalline bulk-Fe 3 O 4/Fe spin …

Negative angular dependent magnetoresistance in a zirconium/nickel bilayer

LH Chou, SC Mai, WY Li, MH Lee, C Chuang, D Qu - Physical Review B, 2023 - APS
The electrical detection of spin and orbital angular momentum usually requires the utilization
of a ferromagnetic metal (FM). When an angular momentum is generated in a light metal …