370 citations · 950 across the 21 of their papers we have counts for
22 papers
Room temperature magnetic vortices in the van der Waals magnet FeGeTe
Elias Sfeir, Carolin Schrader, Florentin Fabre +8
We investigate the effect of confinement on the magnetic state of a 12 nm-thick FeGeTe layer grown by molecular beam epitaxy. We use quantitative scanning NV magnetometry t…
Thermal spin wave noise as a probe for the Dzyaloshinkii-Moriya interaction
Aurore Finco, Pawan Kumar, Van Tuong Pham +6
Interfacial Dzyaloshinkii-Moriya interaction (DMI) is a key ingredient in the stabilization of chiral magnetic states in thin films. Its sign and strength often determine crucial p…
Laser patterning of the room temperature van der Waals ferromagnet 1-CrTe
Tristan Riccardi, Suman Sarkar, Anike Purbawati +19
Lamellar crystalline materials, whose layers are bond by van der Waals forces, can be stacked to form ultrathin artificial heterostructures, and in particular vertical magnetic jun…
Magnetic imaging under high pressure with a spin-based quantum sensor integrated in a van der Waals heterostructure
Z. Mu, J. Fraunié, A. Durand +15
Pressure is a powerful thermodynamic parameter for tuning the magnetic properties of van der Waals magnets owing to their weak interlayer bonding. However, local magnetometry measu…
Fast current-induced skyrmion motion in synthetic antiferromagnets
Van Tuong Pham, Naveen Sisodia, Ilaria Di Manici +14
Magnetic skyrmions are topological magnetic textures that hold great promise as nanoscale bits of information in memory and logic devices. Although room-temperature ferromagnetic s…
Single spin magnetometry and relaxometry applied to antiferromagnetic materials
Aurore Finco, Vincent Jacques
Despite the considerable interest for antiferromagnets which appeared with the perspective of using them for spintronics, their experimental study, including the imaging of antifer…
Stability of the In-Plane Room Temperature van der Waals Ferromagnet Chromium Ditelluride and Its Conversion to Chromium-Interleaved CrTe Compounds
Anike Purbawati, Suman Sarkar, Sébastien Pairis +19
Van der Waals magnetic materials are building blocks for novel kinds of spintronic devices and playgrounds for exploring collective magnetic phenomena down to the two-dimensional l…
Magnetic imaging with spin defects in hexagonal boron nitride
P. Kumar, F. Fabre, A. Durand +13
Optically-active spin defects hosted in hexagonal boron nitride (hBN) are promising candidates for the development of a two-dimensional (2D) quantum sensing unit. Here, we demonstr…
Imaging topological defects in a non-collinear antiferromagnet
Aurore Finco, Angela Haykal, Stéphane Fusil +9
We report on the formation of topological defects emerging from the cycloidal antiferromagnetic order at the surface of bulk BiFeO crystals. Combining reciprocal and real-space…
Quantitative study of the response of a single NV defect in diamond to magnetic noise
M. Rollo, A. Finco, R. Tanos +4
The nitrogen-vacancy (NV) defect in diamond is an efficient quantum sensor of randomly fluctuating signals via relaxometry measurements. In particular, the longitudinal spin relaxa…
Characterization of room-temperature in-plane magnetization in thin flakes of CrTe with a single spin magnetometer
F. Fabre, A. Finco, A. Purbawati +5
We demonstrate room-temperature ferromagnetism with in-plane magnetic anisotropy in thin flakes of the CrTe van der Waals ferromagnet. Using quantitative magnetic imaging with…
Imaging non-collinear antiferromagnetic textures via single spin relaxometry
Aurore Finco, Angela Haykal, Rana Tanos +13
Antiferromagnetic materials are promising platforms for next-generation spintronics owing to their fast dynamics and high robustness against parasitic magnetic fields. However, nan…
Room temperature skyrmions at zero field in exchange-biased ultrathin films
K. Gaurav Rana, A. Finco, F. Fabre +12
We demonstrate that magnetic skyrmions with a mean diameter around 60 nm can be stabilized at room temperature and zero external magnetic field in an exchange-biased Pt/Co/NiFe/IrM…
A journey into the tuneable antiferromagnetic spin textures of BiFeO3
A. Haykal, J. Fischer, W. Akhtar +10
Antiferromagnetic thin films are currently generating considerable excitement for low dissipation magnonics and spintronics. However, while tuneable antiferromagnetic textures form…
Tuning non-collinear magnetic states by hydrogenation
Aurore Finco, Pin-Jui Hsu, Kirsten von Bergmann +1
Two different superstructures form when atomic H is incorporated in the Fe monolayer on Ir(111). Depending on the amount of H provided, either a highly ordered p(2x2) hexagonal sup…
Magnetic domain walls in strain-patterned ultrathin films
Aurore Finco, Marco Perini, André Kubetzka +2
We present a comparison of the characteristics of the magnetic domain walls in an atomic monolayer of Co on Pt(111) and a Ni/Fe atomic bilayer on Ir(111), based on spin-polarized s…
Inducing skyrmions in ultrathin Fe films by hydrogen exposure
Pin-Jui Hsu, Levente Rozsa, Aurore Finco +8
Magnetic skyrmions are localized nanometer-sized spin configurations with particle_like properties, which are envisioned to be used as bits in next_generation information technolog…
Temperature-induced increase of spin spiral periods
Aurore Finco, Levente Rózsa, Pin-Jui Hsu +4
Spin-polarized scanning tunneling microscopy investigations reveal a significant increase of the magnetic period of spin spirals in three-atomic-layer-thick Fe films on Ir(111), fr…
Tailoring non-collinear magnetism by misfit dislocation lines
Aurore Finco, Pin-Jui Hsu, André Kubetzka +2
The large epitaxial stress induced by the misfit between a triple atomic layer Fe film and an Ir(111) substrate is relieved by the formation of a dense dislocation line network. Sp…
Dimensional Reduction in Quantum Dipolar Antiferromagnets
P. Babkevich, M. Jeong, Y. Matsumoto +7
We report ac susceptibility, specific heat, and neutron scattering measurements on a dipolar-coupled antiferromagnet LiYbF. For the thermal transition, the order-parameter crit…
Electric field driven switching of individual magnetic skyrmions
Pin-Jui Hsu, André Kubetzka, Aurore Finco +3
Controlling magnetism with electric fields is a key challenge to develop future energy-efficient devices, however, the switching between inversion symmetric states, e.g. magnetizat…
Neutron spectroscopic study of crystal-field excitations and the effect of the crystal field on dipolar magnetism in LiF ( = Gd, Ho, Er, Tm, and Yb)
P. Babkevich, A. Finco, M. Jeong +12
We present a systematic study of the crystal field interactions in the LiF, = Gd, Ho, Er, Tm and Yb, family of rare-earth magnets. Using detailed inelastic neutron scatt…