48 citations · 199 across the 15 of their papers we have counts for
15 papers
Orbital torque and efficient magnetization switching using ultrathin Co|Al light-metal interfaces: Experiments and modeling
N. Sebe, A. Pezo, S. Krishnia +5
The emergence of the orbital degree of freedom in modern orbitronics offers a promising alternative to heavy metals for the efficient control of magnetization. In this context, ide…
Quantitative analysis of vectorial torques in thin 3d Co ferromagnet using orbital-spin conversion
B. Bony, S. Krishnia, Y. Xu +6
Recent findings in orbitronics pointed out large current-induced torques originating, in the current understanding, from incident orbital currents. These are generated by orbital R…
Alternative harmonic detection approach for quantitative determination of spin and orbital torques
Y. Xu, B. Bony, S. Krishnia +6
In this study, the spin-orbit torque (SOT) in light metal oxide systems is investigated using an experimental approach based on harmonic Hall voltage techniques in out-of-plane (OO…
Large Chiral Orbital Texture and Orbital Edelstein Effect in Co/Al Heterostructure
Sergey A. Nikolaev, Mairbek Chshiev, Fatima Ibrahim +6
Recent experiments by S. Krishnia et al., Nano Lett. 23, 6785 (2023) reported an unprecedentedly large enhancement of torques upon inserting thin Al layer in Co/Pt heterostructure…
Interfacial spin-orbitronic effects controlled with different oxidation levels at the Co|Al interface
Sachin Krishnia, Libor Vojáček, Tristan Da Câmara Santa Clara Gomes +15
Perpendicular magnetic anisotropy (PMA) and Dzyaloshinskii-Moriya interactions are key interactions in modern spintronics. These interactions are thought to be dominated by the oxi…
Neuromorphic weighted sums with magnetic skyrmions
Tristan da Câmara Santa Clara Gomes, Yanis Sassi, Dédalo Sanz-Hernández +7
Integrating magnetic skyrmions into neuromorphic computing could help improve hardware efficiency and computational power. However, developing a scalable implementation of the weig…
Control of the magnetic anisotropy in multi-repeat Pt/Co/Al heterostructures using magneto-ionic gating
Tristan da Câmara Santa Clara Gomes, Tanvi Bhatnagar-Schöffmann, Sachin Krishnia +14
Controlling magnetic properties through the application of an electric field is a significant challenge in modern nanomagnetism. In this study, we investigate the magneto-ionic con…
Quantifying the large contribution from orbital Rashba effect to the effective damping-like torque on magnetization
S. Krishnia, B. Bony, E. Rongione +10
The generation of large spin currents, and the associated spin torques, which are at the heart of modern spintronics, have long been achieved by charge-to-spin conversion mechanism…
Driving skyrmions in flow regime in synthetic ferrimagnets
Sougata Mallick, Yanis Sassi, Nicholas Figueiredo Prestes +11
Despite significant advances in the last decade regarding the room temperature stabilization of skyrmions or their current induced dynamics, the impact of local material inhomogene…
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…
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…
Spintronic THz emitters based on transition metals and semi-metals/Pt multilayers
J. Hawecker, E. Rongione, A. Markou +11
Spintronic terahertz (THz) emitters (STE) based on the inverse spin Hall effect in ferromagnetic/heavy metal (FM/HM) heterostructures have become important sources for THz pulse ge…
Domain wall dynamics in antiferromagnetically-coupled double-lattice systems
Eloi Haltz, Sachin Krishnia, Léo Berges +2
In ferromagnetic materials, the rich dynamics of magnetic domain walls (DWs) under magnetic field or current have been successfully described using the well-known q-ϕ analytical mo…
Spin-orbit coupling in single layer ferrimagnets: direct observation of spin-orbit torques and chiral spin textures
Sachin Krishnia, Eloi Haltz, Léo Berges +7
We demonstrate that effects of spin-orbit coupling and inversion asymmetry exist in a single GdFeCo ferrimagnetic layer, even without a heavy metal interface. We use electric trans…
Precession-free domain wall dynamics in compensated ferrimagnets
E. Haltz, J. Sampaio, S. Krishnia +3
One fundamental obstacle to efficient ferromagnetic spintronics is magnetic precession, which intrinsically limits the dynamics of magnetic textures, We demonstrate that the domain…