343 citations · 1.4k across the 20 of their papers we have counts for
20 papers
Controlling 3D spin textures by manipulating sign and amplitude of interlayer DMI with electrical current
Fabian Kammerbauer, Won-Young Choi, Frank Freimuth +6
The recently discovered interlayer Dzyaloshinskii-Moriya interaction (IL-DMI) in multilayers with perpendicular magnetic anisotropy favors the canting of spins in the in-plane dire…
Tuning spin-orbit torques across the phase transition in VO/NiFe heterostructure
Jun-young Kim, Joel Cramer, Kyujoon Lee +9
The emergence of spin-orbit torques as a promising approach to energy-efficient magnetic switching has generated large interest in material systems with easily and fully tunable sp…
Enhancement of spin Hall conductivity in W-Ta alloy
Jun-young Kim, Dong-Soo Han, Mehran Vafaee +4
Generating pure spin currents via the spin Hall effect in heavy metals has been an active topic of research in the last decade. In order to reduce the energy required to efficientl…
Electric-field control of spin-orbit torques in perpendicularly magnetized W/CoFeB/MgO films
Mariia Filianina, Jan-Philipp Hanke, Kyujoon Lee +5
Controlling magnetism by electric fields offers a highly attractive perspective for designing future generations of energy-efficient information technologies. Here, we demonstrate…
Chiral magnetic interlayer coupling in synthetic antiferromagnets
Dong-Soo Han, Kyujoon Lee, Jan-Philipp Hanke +9
The exchange coupling underlies ferroic magnetic coupling and is thus the key element that governs statics and dynamics of magnetic systems. This fundamental interaction comes in t…
Role of phonon skew scattering in the spin Hall effect of platinum
G. V. Karnad, C. Gorini, K. Lee +11
We measure and analyze the effective spin Hall angle of platinum in the low residual resistivity regime by second harmonic measurements of the spin-orbit torques for a multilayer o…
Thickness dependence of unidirectional spin-Hall magnetoresistance in metallic bilayers
Yuxiang Yin, Dong-Soo Han, Mark C. H. de Jong +4
A nonlinear magnetoresistance - called unidirectional spin-Hall magnetoresistance - is recently experimentally discovered in metallic bilayers consisting of a heavy metal and a fer…
Chiral magnetoresistance in Pt/Co/Pt zigzag wires
Yuxiang Yin, Dong-Soo Han, June-Seo Kim +7
The Rashba effect leads to a chiral precession of the spins of moving electrons while the Dzyaloshinskii-Moriya interaction (DMI) generates preference towards a chiral profile of l…
Asymmetric hysteresis for probing Dzyaloshinskii-Moriya interaction
Dong-Soo Han, Nam-Hui Kim, June-Seo Kim +8
The interfacial Dzyaloshinskii-Moriya interaction (DMI) is intimately related to the prospect of superior domain-wall dynamics and the formation of magnetic skyrmions. Although som…
Interfacial Dzyaloshinskii-Moriya interaction, surface anisotropy energy,and spin pumping at spin orbit coupled Ir/Co interface
Nam-Hui Kim, Jinyong Jung, Jaehun Cho +5
The interfacial Dzyaloshinskii-Moriya interaction (iDMI), surface anisotropy energy, and spin pumping at the Ir/Co interface are experimentally investigated by performing Brillouin…
Thickness dependence of the interfacial Dzyaloshinskii-Moriya interaction in inversion symmetry broken systems
Jaehun Cho, Nam-Hui Kim, Sukmock Lee +9
In magnetic multilayer systems, a large spin-orbit coupling at the interface between heavy metals and ferromagnets can lead to intriguing phenomena such as the perpendicular magnet…
Lee, Han, and Kim Reply
Ki-Suk Lee, Dong-Soo Han, Sang-Koog Kim
In Letter [1], we reported our finding on the physical origin of wide band-gap opening in planar nanostrips, as derived by application of periodic width modulations in the magnetic…
Wave modes of collective vortex gyration in dipolar-coupled-dot-array magnonic crystals
Dong-Soo Han, Andreas Vogel, Hyunsung Jung +7
Lattice vibration modes are collective excitations in periodic arrays of atoms or molecules. These modes determine novel transport properties in solid crystals. Analogously, in per…
Normal modes of coupled vortex gyration in two spatially separated magnetic nanodisks
Ki-Suk Lee, Hyunsung Jung, Dong-Soo Han +1
We found from analytical derivations and micromagnetic numerical simulations that there exist two distinct normal modes in apparently complex vortex gyrotropic motions in two dipol…
Tunable energy transfer between dipolar-coupled magnetic disks by stimulated vortex gyration
Hyunsung Jung, Ki-Suk Lee, Dae-Eun Jeong +9
A wide variety of coupled harmonic oscillators exist in nature1. Coupling between different oscillators allows for the possibility of mutual energy transfer between them2-4 and the…
Polarization-selective vortex-core switching by orthogonal Gaussian-pulse currents
Young-Sang Yu, Ki-Suk Lee, Hyunsung Jung +6
We experimentally demonstrate low-power-consumption vortex-core switching in magnetic nanodisks using tailored rotating magnetic fields that are produced with orthogonal and unipol…
Refractive index and Snell's Law for Dipolar-Exchange Spin-Waves in a Confined Planar Structure
Dae-Eun Jeong, Dong-Soo Han, Sangkook Choi +1
We derived the analytical forms of refractive index and Snell law for dipolar-exchange spin waves of reflection and refraction at a magnetically heterogeneous interface in a geomet…
Magnetic domain-wall motion by propagating spin waves
Dong-Soo Han, Sang-Koog Kim, Jun-Young Lee +4
We found by micromagnetic simulations that the motion of a transverse wall (TW) type domain wall in magnetic thin-film nanostripes can be manipulated via interaction with spin wave…
Vortex dynamics in confined stratified conditions
Farkhad G. Aliev, Juan F. Sierra, Ahmad A. Awad +6
We report on linear spin dynamics in the vortex state of the Permalloy dots subjected to stratified (magnetic) field. We demonstrate experimentally and by simulations the existence…
Physical Origin and Generic Control of Magnonic Band Gaps of Dipole-Exchange Spin Waves in Width-Modulated-Nanostrip Waveguides
Ki-Suk Lee, Dong-Soo Han, Sang-Koog Kim
We report, for the first time, on a novel planar structure of magnonic-crystal waveguides, made of a single magnetic material, in which the allowed and forbidden bands of propagati…