34 citations · 128 across the 16 of their papers we have counts for
15 papers · 1 filter
Unconventional and Fragile Magnetic Exciton in a van der Waals Quantum Magnet
Kai-Xuan Zhang, Min Zhang, Minjae Kim +25
The recently discovered magnetic exciton in the van der Waals (vdW) antiferromagnet NiPS3 exemplifies these phenomena, exhibiting several distinctive characteristics. Despite exten…
Interfacial chirality-induced magnetic-field-free switching with high energy efficiency in all-vdW heterostructures
Kai-Xuan Zhang, Suik Cheon, Seungbok Lee +12
Chirality, a central concept across many scientific disciplines, continues to inspire the discovery of novel physical phenomena. In condensed matter physics, structural chirality -…
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…
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…
2D van der Waals magnets: from fundamental physics to applications
Je-Geun Park, Kaixuan Zhang, Hyeonsik Cheong +5
Magnetism has played a central role in the long and rich history of modern condensed matter physics, with many foundational insights originating from theoretical studies of two-dim…
Current-driven collective control of helical spin texture in van der Waals antiferromagnet
Kai-Xuan Zhang, Suik Cheon, Hyuncheol Kim +14
Electrical control of quantum magnetic states is essential in spintronic science. Initial studies on the ferromagnetic state control were extended to collinear antiferromagnets and…
Artificially creating emergent interfacial antiferromagnetism and its manipulation in a magnetic van-der-Waals heterostructure
Xiangqi Wang, Cong Wang, Yupeng Wang +9
Van der Waals (vdW) magnets, with their two-dimensional (2D) atomic structures, provide a unique platform for exploring magnetism at the nanoscale. Although there have been numerou…
Novel magnetic-field-free switching behavior in vdW-magnet/oxide heterostructure
Jihoon Keum, Kai-Xuan Zhang, Suik Cheon +7
Magnetization switching by charge current without a magnetic field is essential for device applications and information technology. It generally requires a current-induced out-of-p…
Magnetoelectric effect in van der Waals magnets
Kai-Xuan Zhang, Giung Park, Youjin Lee +2
The magnetoelectric (ME) effect is a fundamental concept in modern condensed matter physics and represents the electrical control of magnetic polarisations or vice versa. Two-dimen…
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…
All van der Waals three-terminal SOT-MRAM realized by topological ferromagnet Fe3GeTe2
Jingyuan Cui, Kai-Xuan Zhang, Je-Geun Park
Magnetic van der Waals (vdW) materials have attracted massive attention because of their academic interest and application potential for the past few years. Its main advantage is t…
Unexpected versatile electrical transport behaviors of ferromagnetic nickel films
Kai-Xuan Zhang, Hanshu Xu, Jihoon Keum +3
Perpendicular magnetic anisotropy (PMA) of magnets is paramount for electrically controlled spintronics due to their intrinsic potentials for higher memory density, scalability, th…
New twisted van der Waals fabrication method based on strongly adhesive polymer
Giung Park, Suhan Son, Jongchan Kim +5
Observations of emergent quantum phases in twisted bilayer graphene prompted a flurry of activities in van-der-Waals (vdW) materials beyond graphene. Most current twisted experimen…
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…