Spin dynamics in an antiferromagnet

Author: mjnt

August undefined, 2024

WebJan 29, 2024 · The Néel order of an antiferromagnet subject to a spin torque can undergo precession in a circular orbit about any chosen axis. To orient and stabilize the motion … WebJan 12, 2024 · The spin-orbit torque effect stands out among other competing mechanisms and leads to clear switching dynamics. Thanks to this new mechanism, in contrast to the usually employed orthogonal switching geometry, we achieve bipolar antiferromagnetic switching by applying positive and negative currents along the same channel, a geometry …

Evidence for spin swapping in an antiferromagnet Request PDF

WebMar 11, 2016 · In this study, PbCuTe 2 O 6 is a rare example of a spin liquid candidate featuring a three-dimensional magnetic lattice. Strong geometric frustration arises from the dominant antiferromagnetic interaction that generates a hyperkagome network of Cu 2+ ions although additional interactions enhance the magnetic lattice connectivity. WebNov 27, 2024 · Coherent THz optical lattice and hybridized phonon–magnon modes are triggered by femtosecond laser pulses in the antiferromagnetic van der Waals semiconductor FePS 3.The laser-driven lattice and spin dynamics are investigated in a bulk crystal as well as in a 380 nm-thick exfoliated flake as a function of the excitation photon … moswin radio system

Antiferromagnetic spin textures and dynamics Nature Physics

Webthe spin de ection in space. We use the Lagrangian equation of spin dynamics that yields both time evolution and spatial distribution of the magnetization as the solution.19 For an antiferromagnet this equation has the form of a sine-Gordon equation. For the indicative case of orthoferrites, the equation of motion is given by:16 v2f vt 2 þau e ... WebJun 9, 2024 · Two-dimensional (2D) magnetic materials have attracted much recent interest with unique properties emerging at the few-layer limit. Beyond the reported impacts on the … WebMay 26, 2024 · They show that a spin current moves as a coherent evanescent spin wave through a thin antiferromagnet layer that is sandwiched between two ferromagnets. Their … moswin talkgroup

Phys. Rev. Lett. 130, 150401 (2024) - Measurement-Induced …

Quadrupolar magnetic excitations in an isotropic spin-1 …

WebApr 28, 2024 · Researchers at the University of California, Riverside, have used a nanoscale synthetic antiferromagnet to control the interaction between magnons — research that could lead to faster and more energy-efficient computers. In ferromagnets, electron spins point in the same direction. WebDec 11, 2024 · Spin dynamics of quasi two-dimensional triangular-lattice antiferromagnet delafossite 3R-AgFeO 2 have been investigated by electron spin resonance. The divergence of the temperature-dependent linewidth has been analyzed in the frame of two possible scenarios: (1) critical broadening due to slowing down of spins on approaching the Néel … minimum wage california $22WebApr 15, 2024 · Recently, the rapid advance of antiferromagnetic spintronics 1,2,3,4,5 has overturned the above perception and demonstrated that antiferromagnets with fast spin dynamics 6, low stray fields, and ... minimum wage california 2017

"WebApr 17, 2008 · We report comprehensive inelastic neutron scattering measurements of the magnetic excitations in the 2D spin-5/2 Heisenberg antiferromagnet Rb2MnF4 as a function of temperature from deep in the Néel ordered phase up to paramagnetic, 0.13 " - Spin dynamics in an antiferromagnet

Spin dynamics in an antiferromagnet

WebMar 24, 2024 · Novel non-collinear antiferromagnets with spontaneous time-reversal symmetry breaking, non-trivial band topology, and unconventional transport properties have received immense research interest over the past decade due to their rich physics and enormous promise in technological applications. WebJan 12, 2024 · Electrical manipulation of spin textures inside antiferromagnets represents a new opportunity for developing spintronics with superior speed and high device density. …

Did you know?

WebJul 21, 2006 · (B) Spin configurations in the three possible ground states at ν tot = 2. Between the ferromagnetic (F) and spin-singlet (SS) states, the canted antiferromagnetic … WebJul 21, 2006 · Between these two states, the interplay of the intralayer and interlayer interactions and the Zeeman energy is believed to lead to a new state, the canted antiferromagnetic (CAF) state, in which spins have ferromagnetic correlation within each layer and antiferromagnetic correlation between the layers ( Fig. 1B ), as first predicted in ( …

WebApr 11, 2024 · RbMnF3 is an insulating antiferromagnet with a perovskite crystal structure and Néel temperature TN=83K. Having magnetic ions with a S electronic ground state in a … WebFeb 18, 2024 · For biaxial antiferromagnets, the orbital angular motion reduces to equation of a damped-driven pendulum, which has hysteresis versus the spin-current drive with a …

WebApr 27, 2024 · Here we discuss spin and/or charge current induced dynamics of the antiferromagnetic textures (domain walls, skyrmions) and nanoparticles. We consider and … Webpropagating spin waves with large wavevectors cannot be understood if the light-spin interaction is modelled in the conventional terms of the macroscopic magnetization M and antiferromagnetic vector L. Instead, we propose to model such spin dynamics using spin correlations. We derive the equation of motion for the latter and demon-

WebDec 19, 2024 · In this thesis I report the first demonstration of sub-Terahertz dynamical spin pumping at the interface between an antiferromagnet and a non-magnetic material; more specifically a uniaxial insulating antiferromagnet MnF2 and heavy metal Pt. The measured ISHE signal generated by the corresponding spin-charge current interconversion in the ...

WebJun 23, 2024 · Here, we show that the spin Hall magnetoresistance (SMR) is a versatile tool to probe the antiferromagnetic spin structure via simple electrical transport experiments by investigating the easy-plane antiferromagnetic insulators α − Fe 2 O 3 (hematite) and NiO in bilayer heterostructures with a Pt heavy-metal top electrode. While rotating an ... moswin tower sitesWebJul 15, 2024 · Antiferromagnets have magnetic order at the atomic scale but no overall magnetic moment. Nevertheless, recent studies of these materials have revealed a range of spin-related phenomena such as spin polarization [ 4] and the magnetic spin Hall effect [ … mos with asiWebJul 1, 2024 · The observation of a large magneto-thermovoltage with an in-plane temperature gradient suggests that the mechanism is the swapping of spin currents in the antiferromagnet. This effect provides a ... minimum wage california 2021 annualWebFeb 15, 2024 · Antiferromagnetic materials could represent the future of spintronic applications thanks to the numerous interesting features they combine: they are robust … moswin scanner programingWebApr 28, 2024 · Researchers at the University of California, Riverside, have used a nanoscale synthetic antiferromagnet to control the interaction between magnons—research that … moswin user agreementWebApr 14, 2024 · (a) Time evolution of rescaled ancilla spin operator m z for varying numbers of ancilla spins for initial state m → = (0, 0, 1). The solid lines correspond to the dynamics in the ZTC phase with Ω / κ = 1.5, and show longer-lived oscillations as N increases. These oscillations become persistent in the thermodynamic limit. minimum wage california 2021 by countyWebMar 1, 2024 · Antiferromagnets (AFMs) have the potential to push spintronic devices from a static condition or gigahertz frequency range to the terahertz range for the sake of high-speed processing. However, the... minimum wage california 2021 by city