384 citations · 1.3k across the 18 of their papers we have counts for
11 papers · 1 filter
Targeted Writing and Deleting of Magnetic Skyrmions in Two-Terminal Nanowire Devices
Soong-Geun Je, Dickson Thian, Xiaoye Chen +7
Controllable writing and deleting of nanoscale magnetic skyrmions are key requirements for their use as information carriers for next-generation memory and computing technologies.…
Direct demonstration of topological stability of magnetic skyrmions via topology manipulation
Soong-Geun Je, Hee-Sung Han, Se Kwon Kim +8
Topological protection precludes a continuous deformation between topologically inequivalent configurations in a continuum. Motivated by this concept, magnetic skyrmions, topologic…
Creation of Magnetic Skyrmion Bubble Lattices by Ultrafast Laser in Ultrathin Films
Soong-Geun Je, Pierre Vallobra, Titiksha Srivastava +10
Magnetic skyrmions are topologically nontrivial spin textures which hold great promise as stable information carriers in spintronic devices at the nanoscale. One of the major chall…
Spin-orbit torque induced dipole skyrmion motion at room temperature
Sergio A. Montoya, Robert Tolley, Ian Gilbert +3
We demonstrate deterministic control of dipole-field-stabilized skyrmions by means of spin-orbit torques arising from heavy transition-metal seed layers. Experiments are performed…
Thermal contribution to the spin-orbit torque in metallic/ferrimagnetic systems
Thai Ha Pham, Soong-Geun Je, Pierre Vallobra +9
We report a systematic study of current-induced perpendicular magnetization switching in W/CoTb/Al thin films with strong perpendicular magnetic anisotropy. Various C…
Chirality-induced Antisymmetry in Magnetic Domain-Wall Speed
Dae-Yun Kim, Min-Ho Park, Yong-Keun Park +6
In chiral magnetic materials, numerous intriguing phenomena such as built in chiral magnetic domain walls (DWs) and skyrmions are generated by the Dzyaloshinskii Moriya interaction…
Magnetic Domain-Wall Tilting due to Domain-Wall Speed Asymmetry
Dae-Yun Kim, Min-Ho Park, Yong-Keun Park +8
Chiral magnetic materials provide a number of challenging issues such as the highly efficient domain wall (DW) and skyrmion motions driven by electric current, as of the operation…
Drastic emergence of huge negative spin-transfer torque in atomically thin Co layers
Soong-Geun Je, Sang-Cheol Yoo, Joo-Sung Kim +3
Current-induced domain wall (DW) motion has drawn great attention in the last decades as the key operational principle of emerging magnetic memory devices. As the major driving for…
Skyrmion Motion Driven by Oscillating Magnetic Field
Kyoung-Woong Moon, Duck-Ho Kim, Soong-Geun Je +5
Magnetic skyrmion motion induced by an electric current has drawn much interest because of its application potential in next-generation magnetic memory devices. Recently, unidirect…
Magnetic Bubblecade Memory
Kyoung-Woong Moon, Duck-Ho Kim, Sang-Cheol Yoo +6
Unidirectional motion of magnetic domain walls is the key concept underlying next-generation domain-wall-mediated memory and logic devices. Such motion has been achieved either by…
Asymmetric Magnetic Domain-Wall Motion by the Dzyaloshinskii-Moriya Interaction
Soong-Geun Je, Duck-Ho Kim, Sang-Cheol Yoo +3
We demonstrate here that ultrathin ferromagnetic Pt/Co/Pt films with perpendicular magnetic anisotropy exhibit a sizeable Dzyaloshinskii-Moriya interaction (DMI) effect. Such a DMI…