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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Pizzini, Stefania
Institut Néel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Improvement of magnetic domain wall dynamics by buffer layer annealing of Pt/Co/Ptcitations
- 2020Magnetic domain wall dynamics in the precessional regime: influence of the Dzyaloshinskii-Moriya interaction
- 2019Magnetic and magneto-transport properties of Mn4N thin films by Ni substitution and their possibility of magnetic compensationcitations
- 2018Large-Voltage Tuning of Dzyaloshinskii–Moriya Interactions: A Route toward Dynamic Control of Skyrmion Chiralitycitations
- 2018Magnetic skyrmions in confined geometries: Effect of the magnetic field and the disordercitations
- 2018Velocity enhancement by synchronization of magnetic domain wallscitations
- 2017Magnetic domain walls in nanostrips of single-crystalline Fe4N thin films with fourfold in-plane magnetic anisotropycitations
- 2016Domain wall dynamics in ultrathin Pt/Co/AlOx microstrips under large combined magnetic fieldscitations
- 2016Manipulating the magnetization direction of transverse domain walls in Permalloy/Ir strips using nanosecond current pulsescitations
- 2012Phase diagram of magnetic domain walls in spin valve nano-stripescitations
- 2012Current-induced domain wall motion and magnetization dynamics in CoFeB/Cu/Co nanostripescitations
- 2011Direct observation of Oersted-field-induced magnetization dynamics in magnetic nanostripescitations
- 2009High domain wall velocity at zero magnetic field induced by low current densities in spin-valve nanostripescitations
- 2008Domain wall dynamics and interlayer interactions in magnetic trilayer systems studied by XMCD-PEEMcitations
- 2006Dynamics of magnetic domain wall motion after nucleation: Dependence on the wall energycitations
- 2005Mobility of domain wall motion in the permalloy layer of a spin-valve-like Fe20Ni80/Cu/Co trilayercitations
Places of action
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article
Domain wall dynamics in ultrathin Pt/Co/AlOx microstrips under large combined magnetic fields
Abstract
The dynamics of magnetic domain walls in ultrathin strip-patterned Pt/Co/AlOx samples with perpendicular easy axis has been studied experimentally under an easy-axis field, superposed to a hard-axis field oriented along the strip. The easy-axis field is large so that the domain walls move well beyond the creep regime. A chiral effect is observed where the domain wall velocity shows a monotonous and surprisingly large variation with an in-plane field. A micromagnetic analysis, combining analytic, one-dimensional, and two-dimensional simulations with structural disorder, shows that this behavior can be reproduced with a Dzyaloshinskii-Moriya interaction of the interfacial type, with due consideration of the dynamics of the tilt degree of freedom of the domain wall. The estimated effective value of this interaction (D≈−2.2mJ/m2 for a 0.6 nm Co thickness) is consistent with values obtained by other techniques. It is also shown, by micromagnetic analysis, that several modes and characteristic times occur in the dynamics of the tilt of such domain walls.