Colossal anisotropic absorption of spin currents induced by chirality

R Sun, Z Wang, BP Bloom, AH Comstock, C Yang… - Science …, 2024 - science.org
The chiral induced spin selectivity (CISS) effect, in which the structural chirality of a material
determines the preference for the transmission of electrons with one spin orientation over …

Investigation of ultrafast demagnetization and Gilbert damping and their correlation in different ferromagnetic thin films grown under identical conditions

S Mukhopadhyay, S Majumder, SN Panda… - …, 2023 - iopscience.iop.org
Following the demonstration of laser-induced ultrafast demagnetization in ferromagnetic
nickel, several theoretical and phenomenological propositions have sought to uncover its …

Nonlinear subswitching regime of magnetization dynamics in photomagnetic garnets

A Frej, I Razdolski, A Maziewski, A Stupakiewicz - Physical Review B, 2023 - APS
We analyze, both experimentally and numerically, the nonlinear regime of the photoinduced
coherent magnetization dynamics in cobalt-doped yttrium iron garnet films. Photomagnetic …

Strain‐Controlled Spin Wave Excitation and Gilbert Damping in Flexible Co2FeSi Films Activated by Femtosecond Laser Pulse

Z Zhang, E Liu, X Lu, W Zhang, Y You… - Advanced Functional …, 2021 - Wiley Online Library
The dynamic response of magnetic order to optical excitation at sub‐picosecond scale has
offered an intriguing alternative for magnetism manipulation. Such ultrafast optical …

Laser controlled spin dynamics of ferromagnetic thin film from femtosecond to nanosecond timescale

S Mondal, A Barman - Physical Review Applied, 2018 - APS
Laser-induced modulation of the magnetization dynamics occurring over various timescales
are unified here for a Ni 80 Fe 20 thin film excited by amplified femtosecond laser pulses …

Magnetic damping of ferromagnetic and exchange resonance modes in a ferrimagnetic insulator

M Deb, P Molho, B Barbara - Physical Review B, 2022 - APS
Understanding the damping is an important fundamental problem with widespread
implications in magnetic technology. Ferrimagnetic materials offer a rich platform to explore …

Coherent and incoherent magnons induced by strong ultrafast demagnetization in thin permalloy films

A De, A Lentfert, L Scheuer, B Stadtmüller… - Physical Review B, 2024 - APS
Understanding spin dynamics on femto-and picosecond timescales offers new opportunities
for faster and more efficient spintronic devices. Here, we experimentally investigate the …

Roles of heating and helicity in ultrafast all-optical magnetization switching in TbFeCo

X Lu, X Zou, D Hinzke, T Liu, Y Wang, T Cheng… - Applied Physics …, 2018 - pubs.aip.org
Using the time-resolved magneto-optical Kerr effect method, helicity-dependent all-optical
magnetization switching (HD-AOS) is observed in ferrimagnetic TbFeCo films. Our results …

Damping of standing spin waves in bismuth-substituted yttrium iron garnet as seen via the time-resolved magneto-optical kerr effect

M Deb, E Popova, M Hehn, N Keller, S Petit-Watelot… - Physical Review …, 2019 - APS
We investigate spin-wave resonance modes and their damping in insulating thin films of
bismuth-substituted yttrium iron garnet by performing femtosecond magneto-optical pump …

Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films

X Lu, LJ Atkinson, B Kuerbanjiang, B Liu, G Li… - Applied Physics …, 2019 - pubs.aip.org
We have investigated the magnetic damping of precessional spin dynamics in defect-
controlled epitaxial grown Fe 3 O 4 (111)/Yttria-stabilized Zirconia nanoscale films by all …