544 citations · 2.8k across the 36 of their papers we have counts for
21 papers · 1 filter
Inducing or suppressing the anisotropy in multilayers based on CoFeB
R. L. Seeger, F. Millo, A. Mouhoub +3
Controlling the uniaxial magnetic anisotropy is of practical interest to a wide variety of applications. We study CoFeB single films grown on various crystalli…
Reversal of coupled vortices in advanced spintronics: A mechanistic study
A. Hamadeh, A. Koujok, S. Perna +7
This study conducts a comprehensive investigation into the reversal mechanism of magnetic vortex cores in a nanopillar system composed of two coupled ferromagnetic dots under zero…
Bright and dark states of two distant macrospins strongly coupled by phonons
Kyongmo An, Ryuhei Kohno, Artem N. Litvinenko +10
We study the collective dynamics of two distant magnets coherently coupled by acoustic phonons that are transmitted through an intercalated crystal. By tuning the ferromagnetic res…
Short-range Thermal Magnon Diffusion in Magnetic Garnet
Kyongmo An, Ryuhei Kohno, Nicolas Thiery +8
Using the spin Seebeck effect (SSE), we study the propagation distance of thermal spin currents inside a magnetic insulator thin film in the short-range regime. We disambiguate spi…
Electrical properties of single crystal Yttrium Iron Garnet ultra-thin films at high temperatures
Nicolas Thiery, Vladimir V. Naletov, Laurent Vila +11
We report a study on the electrical properties of 19 nm thick Yttrium Iron Garnet (YIG) films grown by liquid phase epitaxy. The electrical conductivity and Hall coefficient are me…
Spin conductance of YIG thin films driven from thermal to subthermal magnons regime by large spin-orbit torque
Nicolas Thiery, Antoine Draveny, Vladimir V. Naletov +14
We report a study on spin conductance in ultra-thin films of Yttrium Iron Garnet (YIG), where spin transport is provided by propagating spin waves, that are generated and detected…
Ultra-fast perpendicular Spin Orbit Torque MRAM
Murat Cubukcu, Olivier Boulle, Nikolaï Mikuszeit +14
We demonstrate ultra-fast (down to 400 ps) bipolar magnetization switching of a three-terminal perpendicular Ta/FeCoB/MgO/FeCoB magnetic tunnel junction. The critical current densi…
Generation of coherent spin-wave modes in Yttrium Iron Garnet microdiscs by spin-orbit torque
Martin Collet, Xavier De Milly, Olivier D'Allivy-Kelly +11
Spin-orbit effects [1-4] have the potential of radically changing the field of spintronics by allowing transfer of spin angular momentum to a whole new class of materials. In a sem…
Mechanical magnetometry of Cobalt nanospheres deposited by focused electron beam at the tip of ultra-soft cantilevers
Hugo Lavenant, Vladimir V. Naletov, Olivier Klein +3
Using focused-electron-beam-induced deposition, Cobalt magnetic nanospheres with diameter ranging between 100 nm and 300 nm are grown at the tip of ultra-soft cantilevers. By monit…
Reply to the comment on "Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect"
Christian Hahn, Gregoire de Loubens, Michel Viret +3
A reply to the Comment arXiv:1401.6407 on Phys. Rev. Lett. 111, 217204 (2013), "Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect"
Measurement of the intrinsic damping constant in individual nanodisks of YIG and YIG{\textbar}Pt
Christian Hahn, Vladimir Naletov, Gregoire de Loubens +9
We report on an experimental study on the spin-waves relaxation rate in two series of nanodisks of diameter 300, 500 and 700~nm, patterned out of two systems: a 20~nm thick ytt…
Conduction of spin currents through insulating oxides
Christian Hahn, Grégoire De Loubens, V. V. Naletov +3
Spintronics is a field of electronics based on using the electron spin instead of its charge. The recent advance in the manipulation of pure spin currents, i.e. angular momentum tr…
Origin of spectral purity and tuning sensitivity in a vortex-based spin transfer nano-oscillator
A. Hamadeh, Grégoire De Loubens, Olivier Klein +5
We investigate the microwave characteristics of a spin transfer nano-oscillator (STNO) based on coupled vortices as a function of the perpendicular magnetic field . While…
Inverse Spin Hall Effect in nanometer-thick YIG/Pt system
O. d'Allivy Kelly, A. Anane, R. Bernard +13
High quality nanometer-thick (20 nm, 7 nm and 4 nm) epitaxial YIG films have been grown on GGG substrates using pulsed laser deposition. The Gilbert damping coefficient for the 20…
Quantitative MRFM characterization of the autonomous and forced dynamics in a spin transfer nano-oscillator
A. Hamadeh, Grégoire De Loubens, V. V. Naletov +4
Using a magnetic resonance force microscope (MRFM), the power emitted by a spin transfer nano-oscillator consisting of a normally magnetized PyCuPy circular nanopillar is mea…
Identification and selection rules of the spin-wave eigen-modes in a normally magnetized nano-pillar
Vladimir V. Naletov, Grégoire De Loubens, Gonçalo Albuquerque +12
We report on a spectroscopic study of the spin-wave eigen-modes inside an individual normally magnetized two layers circular nano-pillar (PermalloyCopperPermalloy) by means o…
Dynamics of two coupled vortices in a spin valve nanopillar excited by spin transfer torque
N. Locatelli, V. V. Naletov, J. Grollier +7
We investigate the dynamics of two coupled vortices driven by spin transfer. We are able to independently control with current and perpendicular field, and to detect, the respectiv…
A Frequency-Controlled Magnetic Vortex Memory
B. Pigeau, Grégoire De Loubens, O. Klein +6
Using the ultra low damping NiMnSb half-Heusler alloy patterned into vortex-state magnetic nano-dots, we demonstrate a new concept of non-volatile memory controlled by the frequenc…
Spectroscopy of the parametric magnons excited by 4-wave process
G. De Loubens, V. V. Naletov, Vincent Charbois +3
Using a Magnetic Resonace Force Microscope, we have performed ferromagnetic resonance (FMR) spectroscopy on parametric magnons created by 4-wave process. This is achieved by measur…
Magnetic resonance spectroscopy of perpendicularly magnetized permalloy multilayer disks
G. De Loubens, V. V. Naletov, Michel Viret +5
Using a Magnetic Resonance Force Microscope, we compare the ferromagnetic resonance spectra of individual micron-size disks with identical diameter, 1 m, but different layer str…
Magnetic resonance studies of the fundamental spin-wave modes in individual submicron Cu/NiFe/Cu perpendicularly magnetized disks
G. De Loubens, V. V. Naletov, Olivier Klein +3
Spin wave spectra of perpendicularly magnetized disks with trilayers consisting of a 100 nm permalloy (Py) layer sandwiched by two Cu layers of 30 nm, are measured individually wit…