164 citations · 879 across the 27 of their papers we have counts for
28 papers
Non-local Coulomb interaction and correlated electronic structure of TaS: A GW+EDMFT study
Taek Jung Kim, Min Yong Jeong, Myung Joon Han
By means of computation schemes, we examine the low-energy electronic structure of monolayer TaS in its low-temperature commensurate charge-density-wave structure.…
Crucial role of out-of-plane Sb- orbitals in Van Hove singularity formation and electronic correlation for superconducting Kagome metal CsVSb
Min Yong Jeong, Hyeok-Jun Yang, Hee Seung Kim +3
First-principles density functional theory calculations are performed to understand the electronic structure and interaction parameters for recently discovered superconducting Kago…
Strain engineering and the hidden role of magnetism in monolayer VTe
Do Hoon Kiem, Min Yong Jeong, Hongkee Yoon +1
Two-dimensional transition metal dichalcogenides have attracted great attention recently. Motivated by a recent study of crystalline bulk VTe, we theoretically investigated the…
Intertwining orbital current order and superconductivity in Kagome metal
Hyeok-Jun Yang, Hee Seung Kim, Min Yong Jeong +3
The nature of superconductivity in newly discovered Kagome materials, (A=K, Rb, Cs), has been a subject of intense debate. Recent experiments suggest the p…
Magnetic field induced quantum spin liquid in the two coupled trillium lattices of KNi(SO)
Ivica Zivkovic, Virgile Favre, Catalina Salazar Mejia +19
Quantum spin liquids are exotic states of matter which form when strongly frustrated magnetic interactions induce a highly entangled quantum paramagnet far below the energy scale o…
Novel =3/2 Metallic Phase and Unconventional Superconductivity in GaTaSe
Min Yong Jeong, Seo Hyoung Chang, Hyeong Jun Lee +10
By means of density functional theory plus dynamical mean-field theory (DFT+DMFT) calculations and resonant inelastic x-ray scattering (RIXS) experiments, we investigate the high-p…
A weak topological insulator state in quasi-one-dimensional superconductor TaSe
Jounghoon Hyun, Min Yong Jeong, Sunghun Kim +11
A well-established way to find novel Majorana particles in a solid-state system is to have superconductivity arising from the topological electronic structure. To this end, the het…
Pressure Induced Topological Superconductivity in the Spin-Orbit Mott Insulator GaTa4Se8
Moon Jip Park, GiBaik Sim, Min Yong Jeong +3
Lacunar spinel GaTaSe is a unique example of spin-orbit coupled Mott insulator described by molecular states. It becomes superconducting at T=5…
Induced magnetic two-dimensionality by hole doping in the superconducting infinite-layer nickelate NdSrNiO
Siheon Ryee, Hongkee Yoon, Taek Jung Kim +2
To understand the superconductivity recently discovered in NdSrNiO, we carried out LDA+DMFT (local density approximation plus dynamical mean-field theory) and m…
On the origin and the manipulation of ferromagnetism in FeGeTe: defects and dopings
Seung Woo Jang, Min Yong Jeong, Hongkee Yoon +2
To understand the magnetic properties of FeGeTe, we performed the detailed first-principles study. Contrary to the conventional wisdom, it is unambiguously shown that Fe$_3…
Charge density functional plus calculation of lacunar spinel GaMSe (M = Nb, Mo, Ta, and W)
Hyunggeun Lee, Min Yong Jeong, Jae-Hoon Sim +3
Charge density functional plus calculations are carried out to examine the validity of molecular =1/2 and 3/2 state in lacunar spinel GaMX (M = Nb, Mo, Ta…
Anomalous behavior of the quasi-one-dimensional quantum material NaOsO at high pressure
Raimundas Sereika, Kazunari Yamaura, Yating Jia +10
NaOsO is an unusual quantum material that, in contrast to the common 5 oxides with spins = 1, owns a magnetically silent ground state with spin = 0 and a band…
Microscopic understanding of magnetic interactions in bilayer CrI
Seung Woo Jang, Min Yong Jeong, Hongkee Yoon +2
We performed the detailed microscopic analysis of the inter-layer magnetic couplings for bilayer CrI. As the first step toward understanding the recent experimental observation…
Exotic phases of frustrated antiferromagnet LiCu2O2
A. A. Bush, N. Büttgen, A. A. Gippius +6
7Li NMR spectra were measured in a magnetic field up to 17 T at temperatures 5-30 K on single crystalline LiCu2O2. Earlier reported anomalies on magnetization curves correspond to…
Direct experimental observation of the molecular Jeff=3/2 ground state in the lacunar spinel GaTa4Se8
Min Yong Jeong, Seo Hyoung Chang, Beom Hyun Kim +9
Strong spin-orbit coupling lifts the degeneracy of t2g orbitals in 5d transition-metal systems, leaving a Kramers doublet and quartet with effective angular momentum of Jeff = 1/2…
- square lattice antiferromagnetism in the orbitally quenched insulator MoOPO
L. Yang, M. Jeong, P. Babkevich +12
We report magnetic and thermodynamic properties of a (Mo) magnetic insulator MoOPO single crystal, which realizes a - Heisenberg spin- model on a s…
Novel Crossover in Coupled Spin Ladders
M. Jeong, H. Mayaffre, C. Berthier +3
We report a novel crossover behavior in the long-range-ordered phase of a prototypical spin- Heisenberg antiferromagnetic ladder compound . The…
Possibility of an unconventional spin state of Ir in BaIrO single crystal
L. Yang, M. Jeong, A. Arakcheeva +11
We report the synthesis of single crystals of a novel layered iridate BaIrO, and present the crystallographic, transport and magnetic properties of this material.…
Probing strongly hybrid nuclear-electronic states in a model quantum ferromagnet
I. Kovacevic, P. Babkevich, M. Jeong +3
We present direct local-probe evidence for strongly hybridized nuclear-electronic spin states of an Ising ferromagnet LiHoF in a transverse magnetic field. The nuclear-electron…
Dimensional Reduction in Quantum Dipolar Antiferromagnets
P. Babkevich, M. Jeong, Y. Matsumoto +7
We report ac susceptibility, specific heat, and neutron scattering measurements on a dipolar-coupled antiferromagnet LiYbF. For the thermal transition, the order-parameter crit…
Dichotomy between Attractive and Repulsive Tomonaga-Luttinger Liquids in Spin Ladders
M. Jeong, D. Schmidiger, H. Mayaffre +8
We present two methods to determine whether the interactions in a Tomonaga-Luttinger liquid (TLL) state of a spin- Heisenberg antiferromagnetic ladder are attractive or repuls…
Spin dynamics in the high-field phases of volborthite
M. Yoshida, K. Nawa, H. Ishikawa +13
We report single-crystal 51V NMR studies on volborthite Cu3V2O7(OH)2 2H2O, which is regarded as a quasi-two-dimensional frustrated magnet with competing ferromagnetic and antiferro…
Sc_{2}Ga_{2}CuO_{7}: A possible Quantum spin liquid near the percolation threshold
R. Kumar, P. Khuntia, D. Sheptyakov +6
ScGaCuO (SGCO) crystallizes in a hexagonal structure (space group: ),\textcolor{black}{{} which can be seen as an alternating stacking of single a…
Neutron spectroscopic study of crystal-field excitations and the effect of the crystal field on dipolar magnetism in LiF ( = Gd, Ho, Er, Tm, and Yb)
P. Babkevich, A. Finco, M. Jeong +12
We present a systematic study of the crystal field interactions in the LiF, = Gd, Ho, Er, Tm and Yb, family of rare-earth magnets. Using detailed inelastic neutron scatt…