532 citations · 2.4k across the 22 of their papers we have counts for
15 papers · 1 filter
Large-Amplitude, Easy-Plane Spin-Orbit Torque Oscillators Driven by Out-of-Plane Spin Current: A Micromagnetic Study
Daniel Kubler, David A. Smith, Tommy Nguyen +3
Spin torque oscillators are spintronic devices that generate a periodic output signal from a non-periodic input, making them promising candidates for applications like microwave co…
Direct and indirect spin current generation and spin-orbit torques in ferromagnet/nonmagnet/ferromagnet trilayers
V. P. Amin, G. G. Baez Flores, A. A. Kovalev +1
Spin-orbit torques in ferromagnet/nonmagnet/ferromagnet trilayers are studied using a combination of symmetry analysis, circuit theory, semiclassical simulations, and first-princip…
Phase-resolved electrical detection of coherently coupled magnonic devices
Yi Li, Chenbo Zhao, Vivek P. Amin +10
We demonstrate the electrical detection of magnon-magnon hybrid dynamics in yttrium iron garnet/permalloy (YIG/Py) thin film bilayer devices. Direct microwave current injection thr…
Unconventional spin-orbit torque in transition metal dichalcogenide/ferromagnet bilayers from first-principles calculations
Fei Xue, Christoph Rohmann, Junwen Li +2
Motivated by recent observations of unconventional out-of-plane dampinglike torque in \ch{WTe2}/Permalloy bilayer systems, we calculate the spin-orbit torque generated in two-dimen…
Imaging the valley and orbital Hall effect in monolayer MoS2
Fei Xue, V. P. Amin, P. M. Haney
The topological properties of a material's electronic structure are encoded in its Berry curvature, a quantity which is intimately related to the transverse electrical conductivity…
Coherent spin pumping in a strongly coupled magnon-magnon hybrid system
Yi Li, Wei Cao, Vivek P. Amin +10
We experimentally identify coherent spin pumping in the magnon-magnon hybrid modes of permalloy/yttrium iron garnet (Py/YIG) bilayers. Using broadband ferromagnetic resonance, an "…
Perspectives of Electrically generated spin currents in ferromagnetic materials
Angie Davidson, Vivek P. Amin, Wafa S. Aljuaid +2
Spin-orbit coupling enables charge currents to give rise to spin currents and vice versa, which has applications in non-volatile magnetic memories, miniature microwave oscillators,…
Anomalous Spin-Orbit Torques in Magnetic Single-Layer Films
Wenrui Wang, Tao Wang, Vivek P. Amin +13
Spin-orbit interaction (SOI) couples charge and spin transport, enabling electrical control of magnetization. A quintessential example of SOI-induced transport is the anomalous Hal…
Interface-generated spin currents
V. P. Amin, J. Zemen, M. D. Stiles
Transport calculations based on ab-initio band structures reveal large interface-generated spin currents at Co/Pt, Co/Cu, and Pt/Cu interfaces. These spin currents are driven by in…
Spin waves in coupled YIG/Co heterostructures
Stefan Klingler, Vivek Amin, Stephan Geprägs +9
We investigate yttrium iron garnet (YIG)/cobalt (Co) heterostructures using broadband ferromagnetic resonance (FMR). We observe an efficient excitation of perpendicular standing sp…
Spin Transport at Interfaces with Spin-Orbit Coupling: Formalism
V. P. Amin, M. D. Stiles
We generalize magnetoelectronic circuit theory to account for spin transfer to and from the atomic lattice via interfacial spin-orbit coupling. This enables a proper treatment of s…
Spin Transport at Interfaces with Spin-Orbit Coupling: Phenomenology
V. P. Amin, M. D. Stiles
This paper presents the boundary conditions needed for drift-diffusion models to treat interfaces with spin-orbit coupling. Using these boundary conditions for heavy metal/ferromag…
Large Tunneling Anisotropic Magneto-Seebeck Effect in a CoPt|MgO|Pt Tunnel Junction
V. P. Amin, J. Zemen, J. Železný +2
We theoretically investigate the Tunneling Anisotropic Magneto-Seebeck effect in a realistically-modeled CoPt|MgO|Pt tunnel junction using coherent transport calculations. For comp…
Experimental Demonstration Of Scanned Spin-Precession Microscopy
V. P. Bhallamudi, C. S. Wolfe, V. P. Amin +5
Progress in spintronics has been aided by characterization tools tailored to certain archetypical materials. New device structures and materials will require characterization tools…
Spin Hall transistor with electrical spin injection
K. Olejnik, J. Wunderlich, A. C. Irvine +4
The realization of a viable semiconductor transistor and information processing devices based on the electron spin has fueled intense basic research of three key elements: injectio…