238 citations · 684 across the 7 of their papers we have counts for
5 papers · 1 filter
Nanoscale manipulation of the Mott insulating state coupled to charge order in 1T-TaS2
Doohee Cho, Sangmo Cheon, Ki-Seok Kim +4
Quantum states of strongly correlated electrons are of prime importance to understand exotic properties of condensed matter systems and the controllability over those states promis…
Hidden Structural Order in Orthorhombic Tantalum Pentoxide (TaO)
Sung-Hoon Lee, Jongseob Kim, Sae-Jin Kim +2
We investigate using first-principles calculations the atomic structure of the orthorhombic phase of TaO. Although this structure has been studied for decades, the correct…
Semimetal-antiferromagnetic insulator transition in graphene induced by biaxial strain
Sung-Hoon Lee, Sungjin Kim, Kinam Kim
We report first-principles calculations on antiferromagnetic spin ordering in graphene under biaxial strain. Using hybrid functional calculations, we found that semimetallic graphe…
Band gap opening by two-dimensional manifestation of Peierls instability in graphene
Sung-Hoon Lee, Hyun-Jong Chung, Jinseong Heo +4
Using first-principles calculations of graphene having high-symmetry distortion or defects, we investigate band gap opening by chiral symmetry breaking, or intervalley mixing, in g…
First-principles study of nucleation, growth, and interface structure of Fe/GaAs
Steven C. Erwin, Sung-Hoon Lee, Matthias Scheffler
We use density-functional theory to describe the initial stages of Fe film growth on GaAs(001), focusing on the interplay between chemistry and magnetism at the interface. Four fea…