THEORY / SIMULATION



Research team Theory/Simulation, within the Concepts group


Atomistic spin simulations have been carried out to study the probability of all-optical switching of [Tb/Co] multilayered thin films. Playing with the composition of the sample, the material parameters and the fluence of the laser pulse we have shown the possibility to get single-shot all-optical switching. Since the first experimental observation of all-optical switching phenomena, […]

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Magnetic tunnel junctions with perpendicular anisotropy form the basis of the spin-transfer torque magnetic random-access memory (STT-MRAM), which is nonvolatile, fast, dense, and has quasi-infinite write endurance and low power consumption. Here, an alternative design of tunnel junctions comprising FeCoFe|MgO storage layers with greatly enhanced perpendicular magnetic anisotropy (PMA) is proposed, leveraging the interfacial PMA […]

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We report a theoretical overview of the magnetic domain wall behavior under an electric current in infinitely long nanotubes with azimuthal magnetization. We highlight effects that, besides spin-transfer torques already largely understood in flat strips, arise specifically in the tubular geometry: the Œrsted field and curvature-induced magnetic anisotropy resulting both from the exchange interaction and […]

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arnaud.de riz

On Monday, the 15th Of March 2021 at 13h30, Arnaud De Riz will defence his thesis “Modeling of domain walls dynamics in circular cross-section nanowires” supervised by D. Gusakova and J.-Ch. Toussaint Place: ONLINE Link to participate on-line: https://grenoble-inp.zoom.us/j/93099958160 Code: 075714 Abstract: This thesis studies theoretically the magnetic domain wall behavior in cylindrical wires subjected […]

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On March 17 at 15:00, Manuel dos Santos Dias from Peter Grünberg Institut and Institute for Advance Simulation, Forschungszentrum Jülich, Germany will give us a seminar entitled : Spin dynamics and transport at the nanoscale Place : The seminar will be given via skype (ask link to  alain.marty@cea.fr ) abstract : In this talk, I […]

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The spin absorption process in a ferromagnetic material depends on the spin orientation relatively to the magnetization. Using a ferromagnet to absorb the pure spin current created within a lateral spin valve, we evidence and quantify a sizable orientation dependence of the spin absorption in Co, CoFe, and NiFe. These experiments allow us to determine […]

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Voltage-driven ionic transport in magnetic materials has traditionally relied on controlled migration of oxygen ions. In this work, led by researchers at UAB (Barcelona) in collaboration with colleagues at Georgetown Univ. (D.C.), IMN-CNM-CSIC (Madrid), Spintec (Grenoble), HZDR (Dresden), ICN2 and IMB-CNM-CSIC (Barcelona), room-temperature voltage-driven nitrogen transport is demonstrated using electrolyte-gating of a CoN film. The […]

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SPINTEC is opening a Professorship position, with competition to take place during Spring 2021. The research scope is theory and numerical simulation, covering all aspects from fundamental to applied spintronics in the broadest sense. The research focus is the modeling of specific properties induced by spin-orbit effects, with the aim on the one hand to […]

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UFO – An ANR project

UFO stands for UltraFast Opto-magneto-spintronics for Futur Nanotechnologies. UltraFast Opto-magneto-spintronics is an emerging field of research that combines the ideas and concepts of magneto-optics and opto-magnetism with spin transport phenomena, supplemented with the possibilities offered by photonics for ultrafast low-dissipative manipulation and transport of information. Both light and spin currents can control magnetic order, though […]

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SpinSpike – An ANR project

SpinSpike stands for Spintronic Spiking Neurons. It is a 42-month-long ANR project (2021/2024). Spintronics has recently shown its promise for neuromorphic computing, but is lacking an essential ingredient of biological neural networks: spiking neurons. In this context, the objective of SpinSpike project is to explore novel approaches of spiking neurons using magnetic tunnel junctions. Building […]

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