163 citations · 584 across the 18 of their papers we have counts for
18 papers
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…
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…
Emergent Polar Metal Phase in a Van der Waals Mott Magnet
Shiyu Deng, Matthew J. Coak, Charles R. S. Haines +16
We report the emergence of a two-dimensional (2D) polar metal phase in van der Waals compound FePSe under moderate pressures. This layered material is a Mott insulator with ant…
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…
Dominant Kitaev Interaction and Field-induced Quantum Disordered Phase in the Cobaltate NaCoTeO
Xu-Guang Zhou, Han Li, Chaebin Kim +11
The identification of quantum spin liquid phases in Kitaev candidate materials remains a major experimental challenge. Since most Kitaev candidates develop antiferromagnetic (AFM)…
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…
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…
Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet
Chaebin Kim, Sujin Kim, Pyeongjae Park +9
The Kitaev model, a honeycomb network of spins with bond-dependent anisotropic interactions, is a rare example of having a quantum spin liquid ground state. Although most Kitaev mo…
Tetrahedral triple-Q magnetic ordering and large spontaneous Hall conductivity in the metallic triangular antiferromagnet Co1/3TaS2
Pyeongjae Park, Woonghee Cho, Chaebin Kim +14
The triangular lattice antiferromagnet (TLAF) has been the standard paradigm of frustrated magnetism for several decades. The most common magnetic ordering in insulating TLAFs is t…
Infrared-induced ultrafast melting of nanostructured platinum films probed by an X-ray free-electron laser
Luca Gelisio, Young Yong Kim, Seon Woo Lim +10
Understanding melting in metals is a hot topic of present research. This may be accomplished by pumping the system with infrared (IR) laser radiation, and probing it with hard X-ra…
Giant magnetic anisotropy in the atomically thin van der Waals antiferromagnet FePS3
Youjin Lee, Suhan Son, Chaebin Kim +13
Van der Waals (vdW) magnets are an ideal platform for tailoring two-dimensional (2D) magnetism with immense potential for spintronics applications and are intensively investigated.…
Significant thermal Hall effect in the 3 cobalt Kitaev system
Heejun Yang, Chaebin Kim, Ysun Choi +9
Kitaev physics has recently attracted attention in condensed matter for its anticipated novel quantum spin liquid state. The thermal transport measurement is crucial for probing th…
Multiferroic-enabled magnetic exciton in 2D quantum entangled van der Waals antiferromagnet NiI2
Suhan Son, Youjin Lee, Jae Ha Kim +15
Matter-light interaction is at the center of diverse research fields from quantum optics to condensed matter physics, opening new fields like laser physics. A magnetic exciton is o…
Spin-orbital entangled state and realization of Kitaev physics in 3d cobalt compounds: a progress report
Chaebin Kim, Heung-Sik Kim, Je-Geun Park
The realization of Kitaev's honeycomb magnetic model in real materials has become one of the most pursued topics in condensed matter physics and materials science. If found, it is…
Antiferromagnetic Kitaev interaction in $J_\rm{eff}=1/2$ cobalt honeycomb materials NaCoSbO and NaCoTeO
Chaebin Kim, Jaehong Jeong, Gaoting Lin +8
Finding new materials with antiferromagnetic (AFM) Kitaev interaction is an urgent issue to broaden and enrich the quantum magnetism research significantly. By carrying out inelast…
Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6
Gaoting Lin, Jaehong Jeong, Chaebin Kim +25
Spin-orbit coupled honeycomb magnets with the Kitaev interaction have received a lot of attention due to their potential of hosting exotic quantum states including quantum spin liq…
Doping effects on the valence bond solid of LiRuO with Mn substitution
Seokhwan Yun, Ki Hoon Lee, Chaebin Kim +5
with a honeycomb structure undergoes a drastic transition from a regular honeycomb lattice with the space group to a valence bond solid state of the $P2_{1}/…
Spin-waves in 2D honeycomb lattice -type van der Waals antiferromagnet CoPS
Chaebin Kim, Jaehong Jeong, Takatsugu Masuda +5
The magnetic excitations in CoPS, a two-dimensional van der Waals (vdW) antiferromagnet with spin on a honeycomb lattice, has been measured using powder inelastic neutr…