Results 41 to 50 of about 11,623 (209)
Magnetic bilayer-skyrmions without skyrmion Hall effect
Nature Communications, 2016 AbstractMagnetic skyrmions might be used as information carriers in future advanced memories, logic gates and computing devices. However, there exists an obstacle known as the skyrmion Hall effect (SkHE), that is, the skyrmion trajectories bend away from the driving current direction due to the Magnus force.
Xichao Zhang, Yan Zhou, Motohiko Ezawa
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Magnetic Skyrmions at Critical Coupling [PDF]
Communications in Mathematical Physics, 2020 AbstractWe introduce a family of models for magnetic skyrmions in the plane for which infinitely many solutions can be given explicitly. The energy defining the models is bounded below by a linear combination of degree and total vortex strength, and the configurations attaining the bound satisfy a first order Bogomol’nyi equation.
Bruno Barton-Singer +2 more
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Heat current-driven topological spin texture transformations and helical q-vector switching
Nature Communications, 2023 The use of magnetic states in memory devices has a history dating back decades, and the experimental discovery of magnetic skyrmions and subsequent demonstrations of their control via magnetic fields, heat, and electric/thermal currents have ushered in a
Fehmi Sami Yasin +6 more
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Magnetic domain wall skyrmions
Physical Review B, 2019 It is well established that the spin-orbit interaction in heavy metal/ferromagnet heterostructures leads to a significant interfacial Dzyaloshinskii-Moriya Interaction (DMI) that modifies the internal structure of magnetic domain walls (DWs) to favor N el over Bloch type configurations.
Cheng, Ran +9 more
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A skyrmion content-addressable cell for skyrmion magnetic memories
Nanotechnology, 2022 Abstract Content-addressable memories (CAMs) allow searching a pattern, processing in parallel all the data stored. Beyond-CMOS technologies can provide new opportunities to improve CAM memories implementations both at the device and architectural level.
Luca Gnoli, Fabrizio Riente
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Chiral skyrmions in thin magnetic films: new objects for magnetic storage technologies?
, 2011 Axisymmetric magnetic lines of nanometer sizes (chiral vortices or skyrmions) have been predicted to exist in a large group of noncentrosymmetric crystals more than two decades ago.
A N Bogdanov +10 more
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Skyrmion morphology in ultrathin magnetic films [PDF]
, 2017 Nitrogen-vacancy magnetic microscopy is employed in quenching mode as a non-invasive, high resolution tool to investigate the morphology of isolated skyrmions in ultrathin magnetic films.
Akhtar, W. +10 more
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Magnetic skyrmion field-effect transistors [PDF]
Applied Physics Letters, 2019 Magnetic skyrmions are of considerable interest for low-power memory and logic devices because of high speed at low current and high stability due to topological protection. We propose a skyrmion field-effect transistor based on a gate-controlled Dzyaloshinskii-Moriya interaction. A key working principle of the proposed skyrmion field-effect transistor
Ik-Sun Hong, Kyung-Jin Lee
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Magnetic skyrmions in nanostructures of non-centrosymmetric materials
APL Materials, 2019 Magnetic skyrmions are a new form of magnetic ordering with whirlpool-like spin arrangements. These topologically protected particlelike spin textures were first discovered a decade ago in noncentrosymmetric magnetic materials.
Nitish Mathur +2 more
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Individual skyrmion manipulation by local magnetic field gradients [PDF]
, 2019 Magnetic skyrmions are topologically protected spin textures, stabilised in systems with strong Dzyaloshinskii-Moriya interaction (DMI). Several studies have shown that electrical currents can move skyrmions efficiently through spin-orbit torques.
Casiraghi, Arianna +8 more
core +2 more sources