563 citations · 1.3k across the 13 of their papers we have counts for
13 papers
Ultrasensitive Sub-monolayer Palladium Induced Chirality Switching and Topological Evolution of Skyrmions
Gong Chen, Colin Ophus, Roberto Lo Conte +4
Chiral spin textures are fundamentally interesting, with promise for device applications. Stabilizing chirality is conventionally achieved by introducing Dzyaloshinskii-Moriya inte…
Chirality-induced zigzag domain wall in in-plane magnetized ultrathin films
Gong Chen, MacCallum Robertson, Heeyoung Kwon +3
The domain structure in in-plane magnetized Fe/Ni/W(110) films is investigated using spin-polarized low-energy electron microscopy. A novel transition of the domain wall shape from…
Observation of hydrogen-induced Dzyaloshinskii-Moriya interaction and reversible switching of magnetic chirality
Gong Chen, MacCallum Robertson, Markus Hoffmann +8
The Dzyaloshinskii-Moriya interaction (DMI) has drawn great attention as it stabilizes magnetic chirality, with important implications in fundamental and applied research. This ant…
In-plane Néel wall chirality and orientation of interfacial Dzyaloshinskii-Moriya vector in magnetic films
MacCallum Robertson, Christopher J. Agostino, Gong Chen +7
The interfacial Dzyaloshinskii-Moriya interaction (DMI) is of great interest as it can stabilize chiral spin structures in thin films. Experiments verifying the orientation of the…
Optical imaging of antiferromagnetic domains in ultrathin CoO(001) films
Jia Xu, Haoran Chen, Chao Zhou +3
Antiferromagnetic (AFM) domains in ultrathin CoO(001) films are imaged by a wide-field optical microscopy using magneto-optical birefringence effect. The magnetic origin of observe…
Imaging Antiferromagnetic Domains in Nickel-oxide Thin Films by Magneto-optical Voigt Effect
Jia Xu, Chao Zhou, Mengwen Jia +9
Recent demonstrations of electrical detection and manipulation of antiferromagnets (AFMs) have opened new opportunities towards robust and ultrafast spintronics devices. However, i…
Work Function Characterization of the Directionally Solidified LaB6 VB2 Eutectic
Tyson C. Back, Steven B. Fairchild, John Boeckl +5
With its low work function and high mechanical strength, the LaB6/VB2 eutectic system is an interesting candidate for high performance thermionic emitters. For the development of d…
Stabilization and current-induced motion of antiskyrmion in the presence of anisotropic Dzyaloshinskii-Moriya interaction
Siying Huang, Chao Zhou, Gong Chen +4
Topological defects in magnetism have attracted great attention due to fundamental research interests and potential novel spintronics applications. Rich examples of topological def…
Skyrmions in Magnetic Multilayers
Wanjun Jiang, Gong Chen, Kai Liu +3
Symmetry breaking together with strong spin-orbit interaction give rise to many exciting phenomena within condensed matter physics. A recent example is the existence of chiral spin…
Significant Dzyaloshinskii-Moriya Interaction at Graphene-Ferromagnet Interfaces due to Rashba-effect
Hongxin Yang, Gong Chen, Alexandre A. C. Cotta +7
The possibility of utilizing the rich spin-dependent properties of graphene has attracted great attention in pursuit of spintronics advances. The promise of high-speed and low-ener…
Anatomy and giant enhancement of the perpendicular magnetic anisotropy of cobalt-graphene heterostructures
Hongxin Yang, Anh Duc Vu, Ali Hallal +5
We report strongly enhanced perpendicular magnetic anisotropy (PMA) of Co films by graphene coating from both first-principles and experiments. Our calculations show that graphene…
Real Space Imaging of the Verwey Transition at the (100) Surface of Magnetite
Juan de la Figuera, Zbynek Novotny, Martin Setvin +8
Effects of the Verwey transition on the (100) surface of magnetite were studied using scanning tunelling microscopy and spin polarized low-energy electron microsccopy. On cooling t…
Room Temperature In-plane <100> Magnetic Easy Axis for Fe3O4/SrTiO3(001):Nb Grown by Infrared PLD
Matteo Monti, Mikel Sanz, Mohamed Oujja +15
We examine the magnetic easy-axis directions of stoichiometric magnetite films grown on SrTiO3:Nb by infrared pulsed-laser deposition. Spin-polarized low-energy electron microscopy…