Results 81 to 90 of about 383,954 (251)
Spin Hall effects in metallic antiferromagnets – perspectives for future spin-orbitronics
AIP Advances, 2016 We investigate angular dependent spin-orbit torques from the spin Hall effect in a metallic antiferromagnet using the spin-torque ferromagnetic resonance technique.
Joseph Sklenar +7 more
doaj +1 more source
Time‐Resolved Magnetization Switching Dynamics Driven by Orbital Torques
Advanced Functional Materials, EarlyView.Du et al. reveal nanosecond magnetization switching driven by orbital currents using time‐resolved Hall detection. The measurements separate domain nucleation from domain wall propagation and show that Joule heating strongly assists switching by lowering energy barriers.
Ao Du +4 more
wiley +1 more source
A spin torque meter with magnetic facet domains
Nature Communications, 2018 Spin torques with different origins enable the magnetic domain wall motion, but the contributions are hard to be distinguished. Here, the authors show the method to measure both spin-magnetization transfer torque and spin–orbit torque by using mountain ...
Kyoung-Woong Moon +8 more
doaj +1 more source
Spin-Orbit Torque in Single-Molecule Junctions from ab Initio. [PDF]
J Phys Chem Lett, 2023 The use of electric fields applied across magnetic heterojunctions that lack spatial inversion symmetry has been previously proposed as a nonmagnetic means of controlling localized magnetic moments through spin–orbit torques (SOT).
Camarasa-Gómez M +2 more
europepmc +3 more sources
Resolving the Structural Duality of Graphene Grain Boundaries
Advanced Materials, EarlyView.Cantilever ncAFM resolves the atomic structure of grain boundaries in graphene, revealing coexisting stable and metastable types. Both contain pentagon/heptagon defects, but metastable GBs show irregular geometries. Modeling shows metastable GBs form under compression, exhibiting vertical corrugation, while stable GBs are flat.
Haojie Guo +11 more
wiley +1 more source
Absence of orbital current torque in Ta/ferromagnet bilayers
Nature CommunicationsIt has become a heated debate as to whether the orbital Hall effect of a material could generate a non-local orbital current and a non-zero spin-orbit torque on an adjacent magnetic layer.
Qianbiao Liu, Lijun Zhu
doaj +1 more source
Spin–orbit torque characterization in a nutshell
APL Materials, 2021 Spin current and spin torque generation through the spin–orbit interactions in solids, of bulk or interfacial origin, is at the heart of spintronics research.
Minh-Hai Nguyen, Chi-Feng Pai
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Atomistic Mechanisms Triggered by Joule Heating Effects in Metallic Cu‐Bi Nanowires for Spintronics
Advanced Materials, EarlyView.Bi doped metallic Cu nanowires are promising for spintronics thanks to the stabilization of a giant spin Hall effect. However, heat resulting from current injection forces Bi to leave solution, forcing segregation into monoatomic decorations which evolve into coherent crystalline aggregates.
Alejandra Guedeja‐Marrón +6 more
wiley +1 more source
Advanced Materials, EarlyView.Magnetic tunnel junctions (MTJs) using MgO tunnel barriers face challenges of high resistance‐area product and low tunnel magnetoresistance (TMR). To discover alternative materials, Literature Enhanced Ab initio Discovery (LEAD) is developed. The LEAD‐predicted materials are theoretically evaluated, showing that MTJs with dusting of ScN or TiN on ...
Sabiq Islam +6 more
wiley +1 more source
Symmetry-reduced topological interface for unleashing a multidirectional spin-orbit torque
Communications PhysicsCurrent-induced spin-orbit torque at heavy metal/ferromagnet interfaces plays a critical role in modern spintronics. The challenges in relevant research are to enhance the conversion efficiency and generate unconventional torque components.
Satoshi Sugimoto +4 more
doaj +1 more source