activity
20182024
most citedEmergence of a Metal-Insulator Transition and High Temperature Charge Density Waves in VSe2 at the Monolayer Limit

225 citations · 463 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.mtrl-sci2024

Controlling structure and interfacial interaction of monolayer TaSe2 on bilayer graphene

Hyobeom Lee, Hayoon Im, Byoung Ki Choi +11

Tunability of interfacial effects between two-dimensional (2D) crystals is crucial not only for understanding the intrinsic properties of each system, but also for designing electr…

cond-mat.mtrl-sci2023★ 9 cited

Atomic arrangement of van der Waals heterostructures using X-ray scattering and crystal truncation rod analysis

Ryung Kim, Byoung Ki Choi, Kyeong Jun Lee +6

Vanadium diselenide (VSe2) has intriguing physical properties such as unexpected ferromagnetism at the two-dimensional limit. However, the experimental results for room temperature…

cond-mat.mtrl-sci2023★ 48 cited

Machine-learning-assisted analysis of transition metal dichalcogenide thin-film growth

Hyuk Jin Kim, Minsu Chong, Tae Gyu Rhee +6

In situ reflective high-energy electron diffraction (RHEED) is widely used to monitor the surface crystalline state during thin-film growth by molecular beam epitaxy (MBE) and puls…

cond-mat.mtrl-sci2023★ 16 cited

Controlling spin-orbit coupling to tailor type-II Dirac bands

Nguyen Huu Lam, Phuong Lien Nguyen, Byoung Ki Choi +12

NiTe2, a type-II Dirac semimetal with strongly tilted Dirac band, has been explored extensively to understand its intriguing topological properties. Here, using density-functional…

cond-mat.mes-hall2023★ 4 cited

External screening and lifetime of exciton population in single-layer ReSe probed by time- and angle-resolved photoemission spectroscopy

Klara Volckaert, Byoung Ki Choi, Hyuk Jin Kim +7

The semiconductor ReSe is characterized by a strongly anisotropic optical absorption and is therefore promising as an optically active component in two-dimensional heterostruct…

physics.app-ph2021★ 48 cited

Enhanced passive thermal stealth properties of VO thin films via gradient W doping

Hyuk Jin Kim, Young Hwan Choi, Dong Kyu Lee +4

Thermal stealth and camouflage have been intensively studied for blending objects with their surroundings against remote thermal image detection. Adaptive control of infrared emiss…

cond-mat.str-el2021★ 39 cited

Interlayer coupling and ultrafast hot electron transfer dynamics in metallic VSe2/graphene van der Waals heterostructures

Tae Gwan Park, Byoung Ki Choi, Junho Park +3

Atomically thin vanadium diselenide (VSe2 ) is a two-dimensional transition metal dichalcogenide exhibiting attractive properties due to its metallic 1T-phase. With the recent deve…

cond-mat.mtrl-sci2021

Modulating Curie Temperature and Magnetic Anisotropy in Nanoscale Layered Cr_{2}Te_{3} Films: Implications for Room-Temperature Spintronics

In Hak Lee, Byoung Ki Choi, Hyuk Jin Kim +18

Nanoscale layered ferromagnets have demonstrated fascinating two-dimensional magnetism down to atomic layers, providing a peculiar playground of spin orders for investigating funda…

cond-mat.str-el2021

Electronic structure and charge-density wave transition in monolayer VS_{2}

Hyuk Jin Kim, Byoung Ki Choi, In Hak Lee +6

Vanadium disulfide (VS_{2}) attracts elevated interests for its charge-density wave (CDW) phase transition, ferromagnetism, and catalytic reactivity, but the electronic structure o…

cond-mat.mtrl-sci2020★ 23 cited

Ultrafast triggering of insulator-metal transition in two-dimensional VSe

Deepnarayan Biswas, Alfred J. H. Jones, Paulina Majchrzak +24

Assembling transition metal dichalcogenides (TMDCs) at the two-dimensional (2D) limit is a promising approach for tailoring emerging states of matter such as superconductivity or c…

cond-mat.mes-hall2020★ 36 cited

Visualizing Orbital Content of Electronic Bands in Anisotropic 2D Semiconducting ReSe

B. K. Choi, S. Ulstrup, S. M. Gunasekera +12

Many properties of layered materials change as they are thinned from their bulk forms down to single layers, with examples including indirect-to-direct band gap transition in 2H se…

cond-mat.str-el2018★ 225 cited

Emergence of a Metal-Insulator Transition and High Temperature Charge Density Waves in VSe2 at the Monolayer Limit

Ganbat Duvjir, Byoung Ki Choi, Iksu Jang +13

Emergent phenomena driven by electronic reconstructions in oxide heterostructures have been intensively discussed. However, the role of these phenomena in shaping the electronic pr…

cond-mat.str-el2018★ 15 cited

Universal renormalization group flow toward perfect Fermi-surface nesting driven by enhanced electron-electron correlations in monolayer vanadium diselenide

Iksu Jang, Ganbat Duvjir, Byoung Ki Choi +3

In the present study we examine nature of a charge ordering transition in monolayer vanadium diselenide (), which would be distinguished from that of bulk sample…