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Direct measurement of interfacial Dzyaloshinskii-Moriya interaction in X/CoFeB/MgO heterostructures with a scanning-NV magnetometer
I. Gross, L. J. Martínez, J. -P. Tetienne +11
The Dzyaloshinskii-Moriya Interaction (DMI) has recently attracted considerable interest owing to its fundamental role in the stabilization of chiral spin textures in ultrathin fer…
The nature of domain walls in ultrathin ferromagnets revealed by scanning nanomagnetometry
J. -P. Tetienne, T. Hingant, L. J. Martinez +13
The recent observation of current-induced domain wall (DW) motion with large velocity in ultrathin magnetic wires has opened new opportunities for spintronic devices. However, ther…
Magnetometry with nitrogen-vacancy defects in diamond
L. Rondin, J. -P. Tetienne, T. Hingant +3
The isolated electronic spin system of the Nitrogen-Vacancy (NV) centre in diamond offers unique possibilities to be employed as a nanoscale sensor for detection and imaging of wea…
NV-center imaging of bubble domains in a 6 Å film of cobalt with perpendicular magnetization
J. -P. Tetienne, T. Hingant, L. Rondin +6
We employ a scanning NV-center microscope to perform stray field imaging of bubble magnetic domains in a perpendicularly magnetized Pt/Co/AlOx trilayer with 6 Å of Co. The stray fi…
Quantitative stray field imaging of a magnetic vortex core
J. -P. Tetienne, T. Hingant, L. Rondin +4
Thin-film ferromagnetic disks present a vortex spin structure whose dynamics, added to the small size (~10 nm) of their core, earned them intensive study. Here we use a scanning ni…
Stray-field imaging of magnetic vortices with a single diamond spin
L. Rondin, J. P. Tetienne, S. Rohart +5
Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Recently, a ne…