111 citations · 519 across the 21 of their papers we have counts for
21 papers
Emergent exchange bias in ultra-thin La0.67Sr0.33MnO3 films driven by ferro-antiferromagnetic phase coexistence
Inés García-Manuz, Gabriel Caballero, Jose Luis F. Cunado +7
Ultra-thin La0.67Sr0.33MnO3 (LSMO) films are generally regarded as single-phase ferromagnets, yet their reduced dimensionality enhances the impact of oxygen stoichiometry and local…
Chiral-phonon generation of orbital currents in light transition metals
Marc Rovirola, Júlia Òdena, Anna Castellví +10
Orbital angular momentum offers a new channel for information transport in a vast set of materials. Its coherent generation and detection remain, however, largely unexplored. Here,…
Observation by SANS and PNR of pure Néel-type domain wall profiles and skyrmion suppression below room temperature in magnetic [Pt/CoFeB/Ru] multilayers
Victor Ukleev, Fernando Ajejas, Anton Devishvili +9
We report investigations of the magnetic textures in periodic [Pt(1 nm)/(CoFeB(0.8 nm)/Ru(1.4 nm)] multilayers using polarised neutron reflectometry (PNR) and small-angle ne…
Compensation of anisotropy in spin-Hall devices for neuromorphic applications
Pankaj Sethi, Dédalo Sanz-Hernández, Florian Godel +6
Spintronic nano-oscillators with reduced non-linearity could offer key benefits for realizing neuromorphic applications such as spike-based neurons and frequency multiplexing in ne…
Densely packed skyrmions stabilized at zero magnetic field by indirect exchange coupling in multilayers
Fernando Ajejas, Yanis Sassi, William Legrand +6
Room-temperature stabilization of skyrmions in magnetic multilayered systems is the result of a fine balance between different magnetic interactions namely symmetric and antisymmet…
Large interfacial Rashba interaction and giant spin-orbit torques in atomically thin metallic heterostructures
S. Krishnia, Y. Sassi, F. Ajejas +6
The ability of spin-orbit interactions to convert charge current into spin current, most often in the bulk of heavy metal thin films, has been the hallmark of spintronics in the la…
Rashba-like spin textures in Graphene promoted by ferromagnet-mediated Electronic-Hybridization with heavy metal
Beatriz Muñiz Cano, Adrían Gudín, Jaime Sánchez-Barriga +17
Epitaxial graphene/ferromagnetic metal (Gr/FM) heterostructures deposited onto heavy metals (HM) have been proposed for the realization of novel spintronic devices because of their…
Resonant dynamics of skyrmion lattices in thin film multilayers: Localised modes and spin wave emission
Titiksha Srivastava, Yanis Sassi, Fernando Ajejas +9
The spectral signatures of magnetic skyrmions under microwave field excitation are of fundamental interest and can be an asset for high frequency applications. These topological so…
Element-selective modulation of interfacial Dzyaloshinskii-Moriya interaction in Pt|Co|Metal based multilayers
Fernando Ajejas, Yanis Sassi, William Legrand +7
Despite a decade of research, the precise mechanisms occurring at interfaces underlying the Dzyaloshinskii-Moriya interaction (DMI), and thus the possibility of fine-tuning it, are…
Chiral spin spiral in synthetic antiferromagnets probed by circular dichroism in x-ray resonant magnetic scattering
Cyril Léveillé, Samuel Flewett, Erick Burgos-Parra +6
Noncollinear chiral spin textures in ferromagnetic multilayers are at the forefront of recent research in nano-magnetism with the promise for fast and energy-efficient devices. The…
Ultrafast time-evolution of chiral Néel magnetic domain walls probed by circular dichroism in x-ray resonant magnetic scattering
Cyril Léveillé, Erick Burgos-Parra, Yanis Sassi +18
Non-collinear spin textures in ferromagnetic ultrathin films are attracting a renewed interest fueled by possible fine engineering of several magnetic interactions, notably the int…
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…
Thermoelectric signature of individual skyrmions
Alexander Fernández Scarioni, Craig Barton, Héctor Corte-León +8
We experimentally study the thermoelectrical signature of individual skyrmions in chiral Pt/Co/Ru multilayers. Using a combination of controlled nucleation, single skyrmion annihil…
Thermally Activated Processes for Ferromagnet Intercalation in Graphene-Heavy Metal Interfaces
F. Ajejas, A. Anadón, A. Gudin +11
The development of graphene (Gr) spintronics requires the ability to engineer epitaxial Gr heterostructures with interfaces of high quality, in which the intrinsic properties of Gr…
Quantitative imaging of hybrid chiral spin textures in magnetic multilayer systems by Lorentz microscopy
K. Fallon, S. McVitie, W. Legrand +5
Chiral magnetic textures in ultrathin perpendicularly magnetised multilayer film stacks with an interfacial Dzyaloshinskii-Moriya interaction have been the focus of much research r…
Engineering Large Anisotropic Magnetoresistance in La0.7Sr0.3MnO3 Films at Room Temperature
Paolo Perna, Davide Maccariello, Fernando Ajejas +6
The magnetoresistance (MR) effect is widely employed in technologies that pervade our world from magnetic reading heads to sensors. Diverse contributions to MR, such as anisotropic…
Room temperature biaxial magnetic anisotropy in La0.67Sr0.33MnO3 thin films on SrTiO3 buffered MgO (001) substrates for spintronic applications
Sandeep Kumar Chaluvadi, Fernando Ajejas, Pasquale Orgiani +8
Spintronics exploits the magnetoresistance effects to store or sense the magnetic information. Since the magnetoresistance strictly depends on the magnetic anisotropy of the system…
Unravelling Dzyaloshinskii-Moriya interaction and chiral nature of Graphene/Cobalt interface
Fernando Ajejas, Adrian Gudín, Ruben Guerrero +10
A major challenge for future spintronics is to develop suitable spin transport channels with long spin lifetime and propagation length. Graphene can meet these requirements, even a…
Interfacial exchange coupling induced chiral symmetry-breaking of Spin-Orbit effects
P. Perna, F. Ajejas, D. Maccariello +6
We demonstrate that the interfacial exchange coupling in ferromagnetic/antiferromagnetic (FM/AFM) systems induces symmetry-breaking of the Spin-Orbit (SO) effects. This has been do…
Tuning domain wall velocity with Dzyaloshinskii-Moriya interaction
Fernando Ajejas, Viola Krizakova, Dayane de Souza Chaves +6
We have studied a series of Pt/Co/M epitaxial trilayers, in which Co is sandwiched between Pt and a non magnetic layer M (Pt, Ir, Cu, Al). Using polar magneto-optical Kerr microsco…
Dependence of Dzyaloshinskii-Moriya interaction on the oxygen coverage in Pt/Co/MOx trilayers
Dayane de Souza Chaves, Fernando Ajejas, Viola Krizakova +2
We have studied the interfacial Dzyaloshinskii-Moriya interaction (DMI) in a series of Pt/Co/MOx (M=Al, Gd) trilayers in which the degree of oxidation of the top Co interface is va…