96 citations · 298 across the 10 of their papers we have counts for
10 papers
Condensation of preformed charge density waves in kagome metals
Changwon Park, Young-Woo Son
Charge density wave (CDW) is a spontaneous spatial modulation of electric charges in solids whose general microscopic descriptions are yet to be completed. Layered kagome metals of…
Interatomic potential theory on the phase transition of charge density wave in transition metal dichalcogenides
Changwon Park
Patterns and periods of charge density waves (CDW) in transition metal dichalcogenides exhibit complex phase diagrams that depend on pressure, temperature, metal intercalation, or…
Charge density wave with anomalous temperature dependence in UPt2Si2
Jooseop Lee, Karel Prokes, Sohee Park +11
Using single crystal neutron and x-ray diffraction, we discovered a charge density wave (CDW) below 320 K, which accounts for the long-sought origin of the heat capacity and resist…
Electronic properties of bilayer graphenes strongly coupled to interlayer stacking and an external electric field
Changwon Park, Junga Ryou, Suklyun Hong +3
Bilayer graphene (BLG) with a tunable bandgap appears interesting as an alternative to graphene for practical applications, thus its transport properties are being actively pursued…
Interlayer coupling enhancement in graphene/hexagonal boron nitride heterostructures by intercalated defects and vacancies
Sohee Park, Changwon Park, Gunn Kim
Among two-dimensional atomic crystals, hexagonal boron nitride (hBN) is one of the most remarkable materials to fabricate heterostructures revealing unusual properties. We perform…
Decay behavior of localized states at reconstructed armchair graphene edges
Changwon Park, Jisoon Ihm, Gunn Kim
Density functional theory calculations are used to investigate the electronic structures of localized states at reconstructed armchair graphene edges. We consider graphene nanoribb…
Pseudospin rotation and valley mixing in electron scattering at graphene edges
Changwon Park, Heejun Yang, Andrew J. Mayne +5
In graphene, the pseudospin and the valley flavor arise as new types of quantum degrees of freedom due to the honeycomb lattice comprising two sublattices (A and B) and two inequiv…
Dissociation of ssDNA - Single-Walled Carbon Nanotube Hybrids by Watson-Crick Base Pairing
Seungwon Jung, Misun Cha, Jiyong Park +5
The unwrapping event of ssDNA from the SWNT during the Watson-Crick base paring is investigated through electrical and optical methods, and binding energy calculations. While the s…
Analysis of the near-resonant fluorescence spectra of a single rubidium atom localized in a three-dimensional optical lattice
Wookrae Kim, Changwon Park, Jung-Ryul Kim +3
Supplementary information is presented on the recent work by W. Kim et al. on the matter-wave-tunneling-induced broadening in the near-resonant spectra of a single rubidium atom lo…
Controlling Half-Metallicity of Graphene Nanoribbons by Using a Ferroelectric Polymer
Yea-Lee Lee, Seungchul Kim, Changwon Park +2
On the basis of first-principles computational approaches, we present a new method to drive zigzag graphene nanoribons (ZGNRs) into the half-metallic state using a ferroelectric ma…