138 citations · 599 across the 17 of their papers we have counts for
17 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…
Strong bulk spin-orbit torques quantified in the van der Waals ferromagnet Fe3GeTe2
Franziska Martin, Kyujoon Lee, Maurice Schmitt +13
The recent emergence of magnetic van der Waals materials allows for the investigation of current induced magnetization manipulation in two dimensional materials. Uniquely, Fe3GeTe2…
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…
Heisenberg Exchange and Dzyaloshinskii-Moriya Interaction in Ultrathin CoFeB Single and Multilayers
Tobias Böttcher, Kyujoon Lee, Frank Heussner +6
We present results of the analysis of Brillouin Light Scattering (BLS) measurements of spin waves performed on ultrathin single and multirepeat CoFeB layers with adjacent heavy met…
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…
Interfacial Dzyaloshinskii-Moriya interaction and chiral magnetic textures in a ferrimagnetic insulator
Shilei Ding, Andrew Ross, Romain Lebrun +9
The interfacial Dzyaloshinskii-Moriya interaction (DMI) in multilayers of heavy metal and ferromagnetic metals enables the stabilization of novel chiral spin structures such as sky…
Effective field analysis using the full angular spin-orbit torque magnetometry dependence
Tomek Schulz, Kyujoon Lee, Benjamin Krüger +7
Spin-orbit torques promise ultra-efficient magnetization switching used for advanced devices based on emergent quasi-particles such as domain walls and skyrmions. Recently, the spi…
Structural, magnetic, and electrical properties of collinear antiferromagnetic heteroepitaxy cubic MnGa thin films
Hyun-Woo Bang, Woosuk Yoo, Chungman Kim +5
Although a cubic phase of MnGa with an antiferromagnetic order has been theoretically predicted, it has not been experimentally verified in a bulk or film form. Here, we report…
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…
New Approach to Determine the Quality of Graphene
Soo-Whan Kim, Hyun-Kyung Kim, Sunghun Lee +5
The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene and the reduction rate of graphene oxide is related with the quality of sy…
Polarity-tunable magnetic tunnel junctions based on ferromagnetism at oxide heterointerfaces
Thach D. N. Ngo, Jung-Won Chang, Kyujoon Lee +8
Complex oxide systems have attracted considerable attention because of their fascinating properties, including the magnetic ordering at the conducting interface between two band in…
Investigation of the Dzyaloshinskii-Moriya interaction and room temperature skyrmions in W/CoFeB/MgO thin films and microwires
S. Jaiswal, K. Litzius, I. Lemesh +10
Recent studies have shown that material structures, which lack structural inversion symmetry and have high spin-orbit coupling can exhibit chiral magnetic textures and skyrmions wh…
Ferromagnetic layer thickness dependence of the Dzyaloshinskii-Moriya interaction and spin-orbit torques in Pt\Co\AlOx
Roberto Lo Conte, Gurucharan V. Karnad, Eduardo Martinez +9
We report the thickness dependence of Dzyaloshinskii-Moriya interaction (DMI) and spin-orbit torques (SOTs) in Pt\Co(t)\AlOx, studied by current-induced domain wall (DW) motion and…
Spin-orbit torques for current parallel and perpendicular to a domain wall
Tomek Schulz, Oscar Alejos, Eduardo Martinez +10
We report field- and current-induced domain wall (DW) depinning experiments in Ta/Co20Fe60B20/MgO nanowires through a Hall cross geometry. While purely field-induced depinning show…
The effect of substitution of Mn for Ni on the magnetic and transport properties of CeNi0.8-xMnxBi2
Soo-Whan Kim, Kyu Joon Lee, D. T. Adroja +3
We report the results of Mn substitution for Ni in CeNi0.8Bi2, (i.e. CeNi0.8-xMnxBi2). All the samples have an antiferromagnetic ordered state below TN = 5.0 K due to localized 4f-…