34 citations · 87 across the 14 of their papers we have counts for
14 papers
Probing intrinsic magnetic phases in low-dimensional nearly twin-free NiPS single crystals
Yeochan An, Heejun Yang, Sung Jin Park +6
We report the intrinsic thermal and magnetic properties of the low-dimensional van der Waals (vdW) antiferromagnet NiPS and explore its emergent magnetic phases by controlling…
Emergent giant topological Hall effect in twisted Fe3GeTe2 metallic system
Hyuncheol Kim, Kai-Xuan Zhang, Yu-Hang Li +3
The topological Hall effect, driven by the exchange interaction between conduction electrons and topological magnetic textures such as skyrmions, is a powerful probe for investigat…
Composition-dependent bulk properties of intercalated transition metal dichalcogenides
Woonghee Cho, Kiwan Nam, Yeochan An +4
We report a systematic study of the composition-dependent bulk properties in single crystals across a series of precisely controlled cobalt compositions wi…
Current Switching of Topological Spin Chirality in the van der Waals Antiferromagnet Co1/3TaS2
Kai-Xuan Zhang, Seungbok Lee, Woonghee Cho +1
Magnetic topology is central to modern quantum magnet, where spin chirality governs exotic spin winding, real-space Berry phase, and topological Hall effect. A key unresolved chall…
Experimental confirmation of the magnetic ordering transition induced by an electronic structure change in the metallic triangular antiferromagnet CoTaS
Han-Jin Noh, En-Jin Cho, Byeong-Gyu Park +6
We report ARPES studies combined with DFT+DMFT calculations to confirm that the magnetic ordering vector transition from \textbf{Q}=(1/2,0,0) to \textbf{Q}=(1/3,0,0) in the metalli…
Tunable chiral and nematic states in the triple-Q antiferromagnet CoTaS
Erik Kirstein, Pyeongjae Park, Woonghee Cho +3
Complex spin configurations in magnetic materials, ranging from collinear single-Q to noncoplanar multi-Q states, exhibit rich symmetry and chiral properties. However, their detail…
Kitaev interaction and proximate higher-order skyrmion crystal in the triangular lattice van der Waals antiferromagnet NiI2
Chaebin Kim, Olivia Vilella, Youjin Lee +14
Topological spin textures, such as magnetic skyrmions, are a spectacular manifestation of magnetic frustration and anisotropy. Most known skyrmion systems are restricted to a topol…
Spin dynamics of triple-Q magnetic orderings in a triangular lattice: Implications for multi-Q orderings in general two-dimensional lattices
Pyeongjae Park, Woonghee Cho, Chaebin Kim +7
Multi-Q magnetic structures on two-dimensional (2D) lattices provide a key route to realizing topological physics in 2D magnetism. A major experimental challenge is to unambiguousl…
Electrical control of topological 3Q state in intercalated van der Waals antiferromagnet Cox-TaS2
Junghyun Kim, Kai-Xuan Zhang, Pyeongjae Park +4
Van der Waals (vdW) magnets have opened a new avenue of opportunities encompassing various interesting phases. Co1/3TaS2-an intercalated metallic vdW antiferromagnet-is one of the…
Imaging thermally fluctuating Nèel vectors in van der Waals antiferromagnet NiPS3
Youjin Lee, Chaebin Kim, Suhan Son +7
Studying antiferromagnetic domains is essential for fundamental physics and potential spintronics applications. Despite its importance, few systematic studies have been performed o…
Controllable Skyrmion Islands in a Moiré Magnet
Jemin Park, HaRu K. Park, SungBin Lee
Antiferromagnetic(AFM) skyrmions have been in the spotlight as ideal topological magnetic bits. Although they are topologically protected, they do not exhibit the skyrmion Hall eff…
Composition dependence of bulk properties in the Co-intercalated transition-metal dichalcogenide CoTaS
Pyeongjae Park, Woonghee Cho, Chaebin Kim +5
Spontaneous Hall conductivity has recently been reported in the triangular lattice antiferromagnet CoTaS under a zero magnetic field. This phenomenon originates from th…
Broken inversion symmetry in van der Waals topological ferromagnetic metal iron germanium telluride
Kai-Xuan Zhang, Hwiin Ju, Hyuncheol Kim +4
Inversion symmetry breaking is critical for many quantum effects and fundamental for spin-orbit torque, which is crucial for next-generation spintronics. Recently, a novel type of…
Rapid suppression of quantum many-body magnetic exciton in doped van der Waals antiferromagnet (Ni,Cd)PS3
Junghyun Kim, Woongki Na, Jonghyeon Kim +7
The unique discovery of magnetic exciton in van der Waals antiferromagnet NiPS3 arises between two quantum many-body states of a Zhang-Rice singlet excited state and a Zhang-Rice t…