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Toussaint, Jean-Christophe
Institutul Naţional al Patrimoniului
in Cooperation with on an Cooperation-Score of 37%
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Publications (7/7 displayed)
- 2021Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domainscitations
- 2021Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domainscitations
- 2020Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domains, including OErsted field and spin-transfer torques
- 2017Probing domain walls in cylindrical magnetic nanowires with electron holographycitations
- 2016Manipulating the magnetization direction of transverse domain walls in Permalloy/Ir strips using nanosecond current pulsescitations
- 2015Head-to-head domain walls in one-dimensional nanostructures: an extended phase diagram ranging from strips to cylindrical wirescitations
- 2012Phase diagram of magnetic domain walls in spin valve nano-stripescitations
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article
Manipulating the magnetization direction of transverse domain walls in Permalloy/Ir strips using nanosecond current pulses
Abstract
Using magnetic force microscopy and micromagnetic simulations, we studied the effect of Oersted magnetic fields on the chirality of transverse magnetic domain walls in Fe$_{20}$Ni$_{80}$/Ir bilayer nanostrips. Applying nanosecond current pulses with a current density of around $2^{12}$ A/m$^2$, the chirality of a transverse domain wall could be switched reversibly and reproducibly. These current densities are similar to the ones used for current-induced domain wall motion, indicating that the Oersted field may stabilize the transverse wall chirality during current pulses and prevent domain wall transformations.