219 citations · 1.9k across the 47 of their papers we have counts for
25 papers · 1 filter
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…
Direct imaging of chiral domain walls and Néel-type skyrmionium in ferrimagnetic alloys
Boris Seng, Daniel Schönke, Javier Yeste +15
The evolution of chiral spin structures is studied in ferrimagnet Ta/Ir/Fe/GdFeCo/Pt multilayers as a function of temperature using scanning electron microscopy with polarization a…
Dynamic symmetry breaking in chiral magnetic systems
Jeffrey A. Brock, Michael D. Kitcher, Pierre Vallobra +6
The Dzyaloshinskii-Moriya interaction (DMI) in magnetic systems stabilizes spin textures with preferred chirality, applicable to next-generation memory and computing architectures.…
Engineering the magnetic and magnetocaloric properties of PrVO3 epitaxial oxide thin films by strain effects
H. Bouhani, A. Endichi, D. Kumar +10
Combining multiple degrees of freedom in strongly-correlated materials such as transition-metal oxides would lead to fascinating magnetic and magnetocaloric features. Herein, the s…
Determination of the spin Hall angle, spin mixing conductance and spin diffusion length in Ir/CoFeB for spin-orbitronic devices
T. Fache, J. C. Rojas-Sánchez, L. Badie +2
Iridium is a very promising material for spintronic applications due to its interesting magnetic properties such as large RKKY exchange coupling as well as its large spin-orbit cou…
Electrical spin injection into InGaAs/GaAs quantum wells: a comparison between MgO tunnel barriers grown by sputtering and molecular beam epitaxy methods
P. Barate, S. Liang, T. T. Zhang +16
An efficient electrical spin injection into an InGaAs/GaAs quantum well light emitting diode is demonstrated thanks to a CoFeB/MgO spin injector. The textured MgO tunnel barrier is…
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…
Phase-Change Control of Interlayer Exchange Coupling
Xiaofei Fan, Guodong Wei, Xiaoyang Lin +8
Changing the interlayer exchange coupling between magnetic layers in-situ is a key issue of spintronics, as it allows for the optimization of properties that are desirable for appl…
Evidence of Pure Spin-Current Generated by Spin Pumping in Interface Localized States in Hybrid Metal-Silicon-Metal Vertical Structures
C. Cerqueira, J. Y. Qin, H. Dang +20
Due to the difficulty to grow high quality semiconductors on ferromagnetic metals, the study of spin diffusion transport in Si was only limited to lateral geometry devices. In this…
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…
Optical control of magnetism in NiFe/VO2 heterostructures
Guodong Wei, Xiaoyang Lin, Zhizhong Si +9
Optical methods for magnetism manipulation have been considered as a promising strategy for ultralow-power and ultrahigh-speed spin switches, which becomes a hot spot in the field…
Independence of spin-orbit torques from the exchange bias direction in NiFe/IrMn bilayers
Hilal Saglam, J. Carlos Rojas-Sanchez, Sebastien Petit +5
We investigated a possible correlation between spin Hall angles and exchange bias in NiFe/IrMn samples by performing spin torque ferromagnetic resonance measurements.…
Co/Ni multilayers for spintronics: high spin-polarization and tunable magnetic anisotropy
S. Andrieu, T. Hauet, M. Gottwald +13
In this paper we analyze in details the electronic properties of (Co/Ni) multilayers, a model system for spintronics devices. We use magneto-optical Kerr (MOKE), spin-polarized pho…
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…
Manipulating exchange bias using all-optical helicity-dependent switching
Pierre Vallobra, Thibaud Fache, Yong Xu +5
Deterministic all-optical control of magnetization without an applied magnetic field has been reported for different materials such as ferrimagnetic and ferromagnetic thin films an…
Perpendicularly magnetized CoFeB multilayers with tunable interlayer exchange for synthetic ferrimagnets
Philipp Pirro, Abbass Hamadeh, Marion Lavanant-Jambert +7
A study of the multilayer system MgO/CoFeB(1.1nm)/Ta()/CoFeB(0.8nm)/MgO is presented, where the two CoFeB layers are separated by a Ta interlayer of varying thickness . The m…
Spin transport in molybdenum disulfide multilayer channel
S. H. Liang, Y. Lu, B. S. Tao +12
Molybdenum disulfide has recently emerged as a promising two-dimensional semiconducting material for nano-electronic, opto-electronic and spintronic applications. However, demonstr…
Large and robust electrical spin injection into GaAs at zero magnetic field using an ultrathin CoFeB/MgO injector
S. Liang, T. T. Zhang, P. Barate +19
We demonstrate a large electrical spin injection into GaAs at zero magnetic field thanks to an ultrathin perpendicularly magnetized CoFeB contact of a few atomic planes (1.2 nm). T…
Galvanomagnetic effects and manipulation of antiferromagnetic interfacial uncompensated magnetic moment in exchange-biased bilayers
X. Zhou, L. Ma, Z. Shi +6
In this work, IrMn/insulating-YFeO exchange-biased bilayers are studied. The behavior of the net magnetic moment in the antiferromagnet is direc…
Light-induced magnetization reversal of high-anisotropy TbCo alloy films
Sabine Alebrand, Matthias Gottwald, Michel Hehn +6
Magnetization reversal using circularly polarized light provides a new way to control magnetization without any external magnetic field and has the potential to revolutionize magne…