Turn-On of Current-Induced Spin Torque Upon Non-collinear Antiferromagnetic Ordering in Delafossite PdCrO2.
Sign Up to like & getrecommendations! Published in 2025 at "Advanced materials"
DOI: 10.1002/adma.202502670
Abstract: Measurements of the current-induced spin torque produced by the delafossite antiferromagnet PdCrO2 and acting on an adjacent ferromagnetic permalloy layer are reported. The spin torque increases strongly as the temperature is reduced through the Néel… read more here.
Keywords: spin torque; induced spin; pdcro2; non collinear ... See more keywords
Reversal of Spin‐Torque Polarity with Inverting Current Vorticity in Composition‐Graded Layer at the Ti/W Interface
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202400797
Abstract: While compositional gradient‐induced spin‐current generation is explored, its microscopic mechanisms remain poorly understood. Here, the contribution of polarity of compositional gradient on spin‐current generation is explored. A nanoscale compositional gradient, formed by in situ atomic… read more here.
Keywords: spin; polarity; spin torque; compositional gradient ... See more keywords
Design of spin-injection-layer in all-in-plane spin-torque-oscillator for microwave assisted magnetic recording
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.12.081
Abstract: Abstract A new type of spin-torque-oscillator (STO), all-in-plane STO, is introduced for microwave assisted magnetic recording (MAMR) that consist of a spin-injection-layer (SIL) and a field-generating-layer (FGL) with an effective in-plane easy axis due to… read more here.
Keywords: plane; sil; magnetization; spin ... See more keywords
Synchronized, periodic, and chaotic dynamics in spin torque oscillator with two free layers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.03.090
Abstract: Abstract A phase diagram of the magnetization dynamics is studied by numerically solving the Landau-Lifshitz-Gilbert (LLG) equation in a spin torque oscillator consisting of asymmetric two free layers that are magnetized in in-plane direction. We… read more here.
Keywords: chaotic dynamics; spin torque; two free; torque oscillator ... See more keywords
Robustness of using degree of match in performing analog multiplication with spin-torque oscillators
Sign Up to like & getrecommendations! Published in 2021 at "Solid-state Electronics"
DOI: 10.1016/j.sse.2021.108045
Abstract: Abstract The multiplication operation is one of the most used, but also one of the most energy-expensive operations in digital systems. Here, we focus on a promising strategy to perform the analog multiplication which is… read more here.
Keywords: degree match; analog multiplication; torque oscillators; multiplication ... See more keywords
Field-Free High-Frequency Exchange-Spring Spin-Torque Nano-Oscillators.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03613
Abstract: Spin-torque nano-oscillators (STNOs) are a type of nanoscale microwave auto-oscillators utilizing spin-torque to generate magnetodynamics with great promise for applications in microwaves, magnetic memory, and neuromorphic computing. Here, we report the first demonstration of exchange-spring… read more here.
Keywords: high frequency; exchange spring; exchange; spin torque ... See more keywords
Spin-torque skyrmion resonance in a frustrated magnet
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DOI: 10.1038/s41467-025-59899-5
Abstract: The frustrated Fe3Sn2 magnet is technologically attractive due to its extreme-temperature skyrmion stability, large topological Hall effect, and current-induced helicity switching attributed to a self-induced spin-torque. Here, we present a current-driven skyrmion resonance technique excited… read more here.
Keywords: skyrmion; skyrmion resonance; spin torque; usepackage ... See more keywords
Comparison between spin-orbit torques measured by domain-wall motions and harmonic measurements
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5006868
Abstract: Here we report the comparison of the spin torque efficiencies measured by three different experimental schemes for Pt/Co/X stacks with material X (= Pt, Ta, Ti, Al, Au, Pd, and Ru. 7 materials). The first… read more here.
Keywords: comparison spin; spin torque; domain; domain wall ... See more keywords
Ultra-fast wide band spectrum analyzer based on a rapidly tuned spin-torque nano-oscillator
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5044435
Abstract: A spintronic method of ultra-fast broadband microwave spectrum analysis is proposed. It uses a rapidly tuned spin torque nano-oscillator (STNO), and does not require injection locking. This method treats an STNO generating a microwave signal… read more here.
Keywords: spin torque; rapidly tuned; frequency; ultra fast ... See more keywords
Size dependence of spin-torque switching in perpendicular magnetic tunnel junctions
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5055741
Abstract: We simulate the spin torque-induced reversal of the magnetization in thin disks with perpendicular anisotropy at zero temperature. Disks typically smaller than 20 nm in diameter exhibit coherent reversal. A domain wall is involved in… read more here.
Keywords: spin torque; size dependence; torque switching; spin ... See more keywords
Nonlinear dynamics of magnetization evolution in orthogonal spin torque devices: Phases and classification
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0031957
Abstract: The magnetization evolution of the free layer in an orthogonal spin torque device is studied based on a macrospin model. The trajectory of the magnetization vector under various conditions has shown rich nonlinear properties. The… read more here.
Keywords: spin torque; magnetization evolution; orthogonal spin; magnetization ... See more keywords