171 citations · 684 across the 27 of their papers we have counts for
27 papers
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…
Single laser pulse induced magnetization switching in in-plane magnetized GdCo alloys
Jun-Xiao Lin, Michel Hehn, Thomas Hauet +8
The discovery of all-optical ultra-fast deterministic magnetization switching has opened up new possibilities for manipulating magnetization in devices using femtosecond laser puls…
Ultrafast single-pulse all-optical switching in synthetic ferrimagnetic Tb/Co/Gd multilayers
Julian Hintermayr, Pingzhi Li, Roy Rosenkamp +6
In this work, we investigate single-shot all-optical switching (AOS) in Tb/Co/Gd/Co/Tb multilayers in an attempt to establish AOS in synthetic ferrimagnets with high perpendicular…
Field-free all-optical switching and electrical read-out of Tb/Co-based magnetic tunnel junctions
D. Salomoni, Y. Peng, L. Farcis +8
Switching of magnetic tunnel junction using femto-second laser enables a possible path for THz frequency memory operation, which means writing speeds 2 orders of magnitude faster t…
Single-shot laser-induced switching of an exchange biased antiferromagnet
Zongxia Guo, Junlin Wang, Gregory Malinowski +13
Ultrafast manipulation of magnetic order has challenged our understanding the fundamental and dynamic properties of magnetic materials. So far single shot magnetic switching has be…
Uncovering the role of the light-induced reduction of the inter-atomic exchange in the ultrafast demagnetization of Fe, Co, and Ni
Philippe Scheid, Julius Hohlfeld, Gregory Malinowski +6
Time resolved measurements of the linear magneto-optical Kerr rotation reveal that, in the {\it 3d} ferromagnets Fe, Co and Ni, the amplitude of the demagnetization increases linea…
In plane reorientation induced single laser pulse magnetization reversal in rare-earth based multilayer
Y. Peng, D. Salomoni, G. Malinowski +10
Single Pulse All Optical Helicity Independent Switching (AO-HIS) represents the ability to reverse the magnetic moment of a nanostructure using a femtosecond single laser pulse. It…
Laser induced ultrafast Gd 4f spin dynamics in Co100-xGdx alloys by means of time-resolved XMCD
T. Ferté, M. Beens, G. Malinowski +8
We have studied the laser induced ultrafast quenching of Gd 4f magnetic order in ferrimagnetic Co100-xGdx alloys to highlight the role of the inter-atomic exchange coupling. We hav…
Standing spin wave excitation in Bi:YIG films via temperature induced anisotropy changes and magnetoacoustic coupling
Steffen Peer Zeuschner, Xi-Guang Wang, Marwan Deb +6
Based on micromagnetic simulations and experimental observations of the magnetization and lattice dynamics following the direct optical excitation of the magnetic insulator Bi:YIG…
All-optical helicity-independent switching state diagram in GdFeCo alloys
Jiaqi Wei, Boyu Zhang, Michel Hehn +5
Ultra-fast magnetization switching induced by a single femtosecond laser pulse, under no applied magnetic field has attracted a lot of attention during the last 10 years because of…
Time-Resolved XUV absorption spectroscopy and magnetic circular dichroism at the Ni -edges
Marcel Hennes, Benedikt Rösner, Valentin Chardonnet +21
Ultrashort optical pulses can trigger a variety of non-equilibrium processes in magnetic thin films affecting electrons and spins on femtosecond timescales. In order to probe the c…
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…
Engineering CoMnAlSi Heusler compounds as a model system to correlate spin polarization, intrinsic Gilbert damping and ultrafast demagnetization
C. Guillemard, W. Zhang, G. Malinowski +8
Engineering of magnetic materials for developing better spintronic applications relies on the control of two key parameters: the spin polarization and the Gilbert damping responsib…
Picosecond Spin Orbit Torque Switching
Kaushalya Jhuria, Julius Hohlfeld, Akshay Pattabi +13
Reducing energy dissipation while increasing speed in computation and memory is a long-standing challenge for spintronics research. In the last 20 years, femtosecond lasers have em…
Laser induced ultrafast 3d and 4f spin dynamics in CoDy ferrimagnetic alloys as a function of temperature
Tom Ferté, Grégory Malinowski, Erwan Terrier +6
We report on an element- and time-resolved investigation of femtosecond laser induced ultrafast dynamics of 3d and 4f spins in a ferrimagnetic Co80Dy20 alloy as a function of tempe…
Domain-wall motion induced by spin transfer torque delivered by helicity-dependent femtosecond laser
Boyu Zhang, Yong Xu, Weisheng Zhao +8
In magnetic wires with perpendicular anisotropy, moving domain with only current or only circularly polarized light requires a high power. Here, we propose to reduce it by using bo…
Single shot time-resolved magnetic x-ray absorption at a Free Electron Laser
Emmanuelle Jal, Mikako Makita, Benedikt Rösner +18
Ultrafast dynamics are generally investigated using stroboscopic pump-probe measurements, which characterize the sample properties for a single, specific time delay. These measurem…
Energy-efficient domain wall motion governed by the interplay of helicity-dependent optical effect and spin-orbit torque
Boyu Zhang, Yong Xu, Weisheng Zhao +6
Spin-orbit torque provides a powerful means of manipulating domain walls along magnetic wires. However, the current density required for domain wall motion is still too high to rea…
Creation of Magnetic Skyrmion Bubble Lattices by Ultrafast Laser in Ultrathin Films
Soong-Geun Je, Pierre Vallobra, Titiksha Srivastava +10
Magnetic skyrmions are topologically nontrivial spin textures which hold great promise as stable information carriers in spintronic devices at the nanoscale. One of the major chall…
Picosecond acoustic excitation driven ultrafast magnetization dynamics in dielectric Bi-substituted yttrium iron garnet
Marwan Deb, Elena Popova, Michel Hehn +3
Using femtosecond optical pulses, we have investigated the ultrafast magnetization dynamics induced in a dielectric film of bismuth-substituted yttrium iron garnet (Bi-YIG) buried…
Single-shot multi-level all-optical magnetization switching mediated by spin-polarized hot electron transport
S. Iihama, Y. Xu, M. Deb +5
All-optical ultrafast magnetization switching in magnetic material thin film without the assistance of an applied external magnetic field is being explored for future ultrafast and…
Layer specific observation of slow thermal equilibration in ultrathin metallic nanostructures by femtosecond x-ray diffraction
J. Pudell, A. Maznev, M. Herzog +5
Ultrafast heat transport in nanoscale metal multilayers is of great interest in the context of optically-induced demagnetization, remagnetization and switching. We investigate the…
Thermal contribution to the spin-orbit torque in metallic/ferrimagnetic systems
Thai Ha Pham, Soong-Geun Je, Pierre Vallobra +9
We report a systematic study of current-induced perpendicular magnetization switching in W/CoTb/Al thin films with strong perpendicular magnetic anisotropy. Various C…
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…