110 citations · 743 across the 21 of their papers we have counts for
22 papers
Realizing a Superconducting Square-Lattice Bismuth Monolayer
Eunseok Oh, Kyung-Hwan Jin, Han Woong Yeom
Interplay of crystal symmetry, strong spinorbit coupling (SOC), and many-body interactions in low dimensional materials provides a fertile ground for the discovery of unconventi…
Metrology of Band Topology via Resonant Inelastic X-ray Scattering
Sangjin Lee, Kyung-Hwan Jin, Byungmin Kang +2
Topology is a central notion in the classification of band insulators and characterization of entangled many-body quantum states. In some cases, it manifests as quantized observabl…
Distinguishing a Mott Insulator from a Trivial Insulator with Atomic Adsorbates
Jinwon Lee, Kyung-Hwan Jin, Han Woong Yeom
In an electronic system with various interactions intertwined, revealing the origin of its many-body ground state is challenging and a direct experimental way to verify the correla…
Honeycomb-Lattice Mott insulator on Tantalum Disulphide
Jinwon Lee, Kyung-Hwan Jin, Andrei Catuneanu +8
Effects of electron many-body interactions amplify in an electronic system with a narrow bandwidth opening a way to exotic physics. A narrow band in a two-dimensional (2D) honeycom…
Prediction of intrinsic topological superconductivity in Mn-doped GeTe monolayer from first-principles
Xiaoming Zhang, Kyung-Hwan Jin, Jiahao Mao +3
Recent discovery of topological superconductors (TSCs) has sparked enormous interest. Realization of TSC requires a delicate tuning of multiple microscopic parameters, which remain…
Theory of Epitaxial Growth of Borophene on Layered Electride: Thermodynamic Stability and Kinetic Pathway
Xiaojuan Ni, Huaqing Huang, Kyung-Hwan Jin +2
Based on first-principles calculations, we propose that a layered electride Mg2O can serve as an effective substrate, in place of metal substrate, to grow honeycomb borophene (h-bo…
Weyl points created by a three-dimensional flat band
Yinong Zhou, Kyung-Hwan Jin, Huaqing Huang +2
Following the discovery of topological insulators (TIs), topological Dirac/Weyl semimetal has attracted much recent interest. A prevailing mechanism for the formation of Weyl point…
Observation of Topological Surface State in High Temperature Superconductor MgB2
Xiaoqing Zhou, Kyle N. Gordon, Kyung-Hwan Jin +9
The hunt for the benchmark topological superconductor (TSc) has been an extremely active research subject in condensed matter research, with quite a few candidates identified or pr…
Alloy engineering of topological semimetal phase transition in MgTaNbN
Huaqing Huang, Kyung-Hwan Jin, Feng Liu
Dirac, triple-point and Weyl fermions represent three topological semimetal phases, characterized with a descending degree of band degeneracy, which have been realized separately i…
Pseudo Dirac Nodal Sphere: Unusual Electronic Structure and Material Realization
Jianfeng Wang, Yizhou Liu, Kyung-Hwan Jin +4
Topological semimetals (TSMs) in which conduction and valence bands cross at zero-dimensional (0D) Dirac nodal points (DNPs) or 1D Dirac nodal lines (DNLs), in 3D momentum space, h…
Black Hole Horizon in a Type-III Dirac Semimetal ZnInS
Huaqing Huang, Kyung-Hwan Jin, Feng Liu
Recently, realizing new fermions, such as type-I and type-II Dirac/Weyl fermions in condensed matter systems, has attracted considerable attention. Here we show that the transition…
Topological superconducting phase in high-Tc superconductor MgB2 with Dirac-nodal-line fermions
Kyung-Hwan Jin, Huaqing Huang, Jia-Wei Mei +3
Topological superconductors are an intriguing and elusive quantum phase, characterized by topologically protected gapless surface/edge states residing in a bulk superconducting gap…
Atomically Abrupt Topological p-n Junction
Sung Hwan Kim, Kyung-Hwan Jin, Byung Woo Kho +4
Topological insulators (TI's) are a new class of quantum matter with extraordinary surface electronic states, which bear great potential for spintronics and error-tolerant quantum…
Creation of Half-metallic f -orbital Dirac Fermion with Superlight Elements in Orbital-Designed Molecular Lattice
Bin Cui, Bing Huang, Chong Li +6
Magnetism in solids generally originates from the localized - or -orbitals that are hosted by heavy transition-metal elements. Here, we demonstrate a novel mechanism for desi…
Bending Strain Engineering of Spin Transport in Quantum Spin Hall Systems: Topological Nano-mechanospintronics
Bing Huang, Kyung-Hwan Jin, Bin Cui +3
Quantum spin Hall (QSH) system can exhibit exotic spin transport phenomena, mediated by its topological edge states. Here a novel concept of bending strain engineering to tune the…
Topological phase transition and quantum spin Hall edge states of antimony few layers
Sung Hwan Kim, Kyung-Hwan Jin, Joonbum Park +3
While two-dimensional topological insulators (2D TI) initiated the field of topological materials, only very few materials were discovered to date and the direct access to their qu…
Proximity Effect Induced Electronic Properties of Epitaxial Graphene on Bi2Te2Se
Paengro Lee, Kyung-Hwan Jin, Si Jin Sung +10
We report that the π-electrons of graphene can be spin-polarized to create a phase with a significant spin-orbit gap at the Dirac point (DP) using a graphene-interfaced topological…
Topological fate of edge states of Bi single bilayer on Bi(111)
Han Woong Yeom, Kyung-Hwan Jin, Seung-Hoon Jhi
We address the topological nature of electronic states of step edges of Bi(111) films by first principles band structure calculations. We confirm that the dispersion of step edge s…
Transforming a Surface State of Topological Insulator by a Bi Capping Layer
Han Woong Yeom, Sung Hwan Kim, Woo Jong Shin +7
We introduce a dinstint approach to engineer a topologically protected surface state of a topological insulator. By covering the surface of a topological insulator, Bi2Te2Se, with…
Edge and Interfacial States in a 2D Topological Insulator:Bi(111) Bilayer on BiTeSe
Sung Hwan Kim, Kyung-Hwan Jin, Joonbum Park +4
The electronic states of a single Bi(111) bilayer and its edges, suggested as a two dimensional topological insulator, are investigated by scanning tunneling spectroscopy (STS) and…
Spin-Chiral Bulk Fermi Surfaces of BiTeI Proven by Quantum Oscillations
Joonbum Park, E. Kampert, Kyung-Hwan Jin +10
We present the Fermi-surface map of the spin-chiral bulk states for the non-centrosymmetric semiconductor BiTeI using de Haas-van Alphen and Shubnikov-de Haas oscillations. We iden…
Proximity-induced giant spin-orbit interaction in epitaxial graphene on topological insulator
Kyung-Hwan Jin, Seung-Hoon Jhi
Heterostructures of Dirac materials such as graphene and topological insulators provide interesting platforms to explore exotic quantum states of electrons in solids. Here we study…