Atomistic spin model simulations of magnetic nanomaterials

RFL Evans, WJ Fan, P Chureemart… - Journal of Physics …, 2014 - iopscience.iop.org
Atomistic modelling of magnetic materials provides unprecedented detail about the
underlying physical processes that govern their macroscopic properties, and allows the …

Interface-induced phenomena in magnetism

F Hellman, A Hoffmann, Y Tserkovnyak… - Reviews of modern …, 2017 - APS
This article reviews static and dynamic interfacial effects in magnetism, focusing on
interfacially driven magnetic effects and phenomena associated with spin-orbit coupling and …

Spin current generated by thermally driven ultrafast demagnetization

GM Choi, BC Min, KJ Lee, DG Cahill - Nature communications, 2014 - nature.com
Spin current is the key element for nanoscale spintronic devices. For ultrafast operation of
such nano-devices, generation of spin current in picoseconds, a timescale that is difficult to …

Band structure evolution during the ultrafast ferromagnetic-paramagnetic phase transition in cobalt

S Eich, M Plötzing, M Rollinger, S Emmerich… - Science …, 2017 - science.org
The evolution of the electronic band structure of the simple ferromagnets Fe, Co, and Ni
during their well-known ferromagnetic-paramagnetic phase transition has been under …

Pathways for single-shot all-optical switching of magnetization in ferrimagnets

CS Davies, T Janssen, JH Mentink, A Tsukamoto… - Physical Review …, 2020 - APS
Single-shot helicity-independent all-optical switching of magnetization in ferrimagnets
represents the fastest known approach for deterministic data recording. Recently, it was …

Many-body theory of ultrafast demagnetization and angular momentum transfer in ferromagnetic transition metals

W Töws, GM Pastor - Physical review letters, 2015 - APS
Exact calculated time evolutions in the framework of a many-electron model of itinerant
magnetism provide new insights into the laser-induced ultrafast demagnetization observed …

Role of initial magnetic disorder: A time-dependent ab initio study of ultrafast demagnetization mechanisms

Z Chen, LW Wang - Science advances, 2019 - science.org
Despite more than 20 years of development, the underlying physics of the laser-induced
demagnetization process is still debated. We present a fast, real-time time-dependent …

[HTML][HTML] Helicity-independent all-optical switching of magnetization in ferrimagnetic alloys

CS Davies, JH Mentink, AV Kimel, T Rasing… - Journal of Magnetism …, 2022 - Elsevier
We review and discuss the process of single-shot helicity-independent all-optical switching
of magnetization by which a single suitably-fast excitation, under the right conditions, toggles …

Exchange-driven all-optical magnetic switching in compensated ferrimagnets

CS Davies, G Bonfiglio, K Rode, J Besbas… - Physical Review …, 2020 - APS
Understanding how a single laser pulse can toggle magnetization in a compensated 3 d
ferrimagnet is a critical problem in ultrafast magnetism. To resolve it, we test single-shot all …

Generation mechanism of terahertz coherent acoustic phonons in Fe

T Henighan, M Trigo, S Bonetti, P Granitzka, D Higley… - Physical Review B, 2016 - APS
We use femtosecond time-resolved hard x-ray scattering to detect coherent acoustic
phonons generated during ultrafast laser excitation of ferromagnetic bcc Fe films grown on …