190 citations · 420 across the 24 of their papers we have counts for
26 papers
Single-Pulse Optical Switching combined with Current-Induced Motion of Skyrmionic Spin Textures
Edoardo Mangini, Duc Minh Tran, Boonthum Kunyangyuen +5
Magnetic skyrmions are promising nanoscale information carriers because their position can be manipulated by electrical currents. The additional ability of deterministic control of…
Laser induced ultrafast Co 3d and Ho 4f spin dynamics in CoHo ferrimagnetic alloys
Deeksha Gupta, Boonthum Kunyangyuen, Matthias Riepp +8
The transition metal (TM) / rare-earth (RE) alloys have received renewed interest lately as model systems to decipher the origin of all-optical helicity-independent switching (AO-H…
Spin Accumulation based deep MOKE Microscopy
Jean Rodriguez, Holger Grisk, Alberto Anadón +5
Magnetic imaging techniques are widespread critical tools used in fields such as magnetism, spintronics or even superconductivity. Among them, one of the most versatile methods is…
Single-shot laser-pulse-induced magnetization reversal in CoFeB/MgO-based magnetic tunnel junctions
Junta Igarashi, Sébastien Geiskopf, Takanobu Shinoda +9
We demonstrate single-shot laser-pulse-induced magnetization reversal in rare-earth-free CoFeB/MgO magnetic tunnel junctions (MTJs), a material system widely adopted in spin-transf…
Exploring Co, Fe, and Ni Reference Layers for Single-Pulse All-Optical Reversal in Ferromagnetic Spin Valves
Jun-Xiao Lin, Yann Le Guen, Julius Hohlfeld +6
We investigate the magnetization reversal process induced by a single femtosecond laser pulse in ferromagnetic spin valves by systematically comparing reference layers composed of…
Ultrafast Spin Accumulations Drive Magnetization Reversal in Multilayers
Harjinder Singh, Alberto Anadón, Junta Igarashi +5
Engineering and controlling heat and spin transport on the femtosecond time-scale in spintronic devices opens up new ways to manipulate magnetization with unprecedented speed. Yet…
Ultrafast electron heating as the dominant driving force of photoinduced terahertz spin currents
Reza Rouzegar, Pilar Jimenez-Cavero, Oliver Gueckstock +9
Ultrafast spintronics strongly relies on the generation, transport, manipulation and detection of terahertz spin currents (TSCs). In F|HM stacks consisting of a ferromagnetic layer…
Dimensionality Enhanced Out-of-Plane Spin Currents in NbIrTe for Efficient Field-Free Switching of Perpendicular Magnetization
Wei Yang, Xinhe Wang, Jianing Liu +13
Efficient generation of out-of-plane (OOP) spin currents is crucial for advanced spintronic memory applications. However, the theoretical understanding and experimental implementat…
Single-Shot Magnetization Reversal in Ferromagnetic Spin Valves Enabled via Heat Control
Kazuaki Ishibashi, Junta Igarashi, Alberto Anadón +7
We study laser induced ultrafast magnetization reversal in a ferromagnetic spin valve by comparing the effects of direct laser excitation and ultrashort hot electron pulses. A wedg…
Large spin accumulation signals in ultrafast magneto-optical experiments
Alberto Anadón, Harjinder Singh, Eva Díaz +6
Magneto-optical techniques have become essential tools in spintronics, enabling the investigation of spin dynamics in the ultrafast regime. A key challenge in this field has been t…
Origin of the laser-induced picosecond spin current across magnetization compensation in ferrimagnetic GdCo
Guillermo Nava Antonio, Quentin Remy, Jun-Xiao Lin +8
The optical manipulation of magnetism enabled by rare earth-transition metal ferrimagnets holds the promise of ultrafast, energy efficient spintronic technologies. This work invest…
Light-induced torque in ferromagnetic metals via orbital angular momentum generated by photon-helicity
Koki Nukui, Satoshi Iihama, Kazuaki Ishibashi +7
We investigated photon-helicity-induced magnetization precession in CoPt alloy thin films. In addition to field-like torque, attributable to magnetic field generation…
Ultra-high spin emission from antiferromagnetic FeRh
Dominik Hamara, Mara Strungaru, Jamie Massey +10
An antiferromagnet emits spin currents when time-reversal symmetry is broken. This is typically achieved by applying an external magnetic field below and above the spin-flop transi…
Tuning of the ultrafast demagnetization by ultrashort spin polarized currents in multi-sublattice ferrimagnets
Deeksha Gupta, Maryna Pankratova, Matthias Riepp +11
Femtosecond laser pulses can be used to induce ultrafast changes of the magnetization in magnetic materials. Several microscopic mechanisms have been proposed to explain the observ…
Laser induced ultrafast Gd 4f spin dynamics at the surface of amorphous CoxGd100-x ferrimagnetic alloys
Matthias Pacé, Deeksha Gupta, Tom Ferté +8
We have investigated the laser induced ultrafast dynamics of Gd 4f spins at the surface of CoxGd100-x alloys by means of surface-sensitive and time-resolved dichroic resonant Auger…
Criteria to observe single-shot all-optical switching in Gd-based ferrimagnetic alloys
Wei Zhang, Julius Hohlfeld, Tian Xun Huang +6
Single-shot all-optical helicity-independent switching (AO-HIS) induced by a femto-second laser pulse has been mainly reported in Gadolinium based rare earth-transition metal (RE-T…
Influence of interlayer exchange coupling on ultrafast laser-induced magnetization reversal in ferromagnetic spin valves
Junta Igarashi, Yann Le Guen, Julius Hohlfeld +4
In this study, we explore the influence of interlayer exchange coupling on magnetization reversal triggered by femtosecond laser pulses in ferromagnetic spin valves. Our experiment…
Controlling effective field contributions to laser-induced magnetization precession by heterostructure design
Jasmin Jarecki, Maximilian Mattern, Fried-Conrad Weber +6
Nanoscale heterostructure design can control laser-induced heat dissipation and strain propagation as well as their efficiency for driving magnetization precession. We use insulati…
Extending the scope and understanding of all-optical magnetization switching in Gd-based alloys by controlling the underlying temperature transients
Maxime Verges, Wei Zhang, Quentin Remy +6
We use the thickness of Cu layers to control all-optical switching of magnetization in adjacent Gd(Fe0Co) films. While increasing the Cu thickness from 5 t…
Laser-induced ultrafast demagnetization and perpendicular magnetic anisotropy reduction in a CoTb thin film with stripe domains
M. Hennes, A. Merhe, X. Liu +15
We use time-resolved x-ray resonant magnetic scattering (tr-XRMS) at the Co M- and Tb O-edges to study ultrafast demagnetization in an amorphous CoTb allo…
Time-resolving magnetic scattering on rare-earth ferrimagnets with a bright soft-X-ray high-harmonic source
G. Fan, K. Legare, V. Cardin +16
We demonstrate the first time-resolved X-ray resonant magnetic scattering (tr-XRMS) experiment at the N edge of Tb at 155 eV performed using a tabletop high-brightness high-harmoni…
Helicity-dependent all-optical domain wall motion in ferromagnetic thin films
Y. Quessab, R. Medapalli, M. S. El Hadri +4
Domain wall displacement in Co/Pt thin films induced by not only fs- but also ps-laser pulses is demonstrated using time-resolved magneto-optical Faraday imaging. We evidence multi…
Ultrafast hot-electron induced quenching of Tb4f magnetic order
T. Ferte, N. Bergeard, G. Malinowski +5
We have investigated ultrafast quenching of the Tb4f magnetic order in Co74Tb26 alloys, induced by femtosecond hot-electrons pulses. The hot-electron pulses were produced in specif…
Ultra-fast magnetization manipulation using single femtosecond light and hot-electrons pulse
Y. Xu, M. Deb, G. Malinowski +3
Current induced magnetization manipulation is a key issue for spintronic application. Therefore, deterministic switching of the magnetization at the picoseconds timescale with a si…