1.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Institute for Basic ScienceKR86 papers
- Seoul National UniversityKR79 papers
- Korea University of Science and TechnologyKR57 papers
- Kyungpook National UniversityKR52 papers
- Sejong UniversityKR51 papers
- Korea UniversityKR48 papers
- Korea Advanced Institute of Science and TechnologyKR37 papers
- Ewha Womans UniversityKR36 papers
- Sungkyunkwan UniversityKR35 papers
- The University of TokyoJP35 papers
- Yale UniversityUS30 papers
- Chung-Ang UniversityKR29 papers
31 papers · 1 filter
Disorder driven crossover between anomalous Hall regimes in FeGaTe
Sang-Eon Lee, Minkyu Park, W. Kice Brown +8
The large anomalous Hall conductivity (AHC) of the Fe(Ge,Ga)Te compounds has attracted considerable attention. Here, we expose the intrinsic nature of AHC in FeGaTe…
Thermodynamically driven tilt grain boundaries of monolayer crystals using catalytic liquid alloys
Min-Yeong Choi, Chang-Won Choi, Dong-Yeong Kim +4
We report a method to precisely control the atomic defects at grain boundaries (GBs) of monolayer MoS2 by vapor-liquid-solid (VLS) growth using sodium molybdate liquid alloys, whic…
Interstitially bridged van der Waals interface enabling stacking-fault-free, layer-by-layer epitaxy
GunWoo Yoo, TaeJoon Mo, Yong-Sung Kim +10
Van der Waals (vdW) crystals are prone to twisting, sliding, and buckling due to inherently weak interlayer interactions. While thickness-controlled vdW structures have attracted c…
Microwave power and chamber pressure studies for single-crystalline diamond film growth using microwave plasma CVD
Truong Thi Hien, Jaesung Park, Cuong Manh Nguyen +2
Single-crystalline diamond (SCD) films possess exceptional thermal, chemical, and optical properties, making them ideal for advanced applications. However, achieving uniform film q…
Topological Fermi-arc surface state covered by floating electrons on a two-dimensional electride
Chan-young Lim, Min-Seok Kim, Dong Cheol Lim +11
Two-dimensional electrides can acquire topologically non-trivial phases due to intriguing interplay between the cationic atomic layers and anionic electron layers. However, experim…
Type-II Red Phosphorus: Wavy Packing of Twisted Pentagonal Tubes
Jun-Yeong Yoon, Yangjin Lee, Dong-Gyu Kim +11
Elemental phosphorus exhibits fascinating structural varieties and versatile properties. The unique nature of phosphorus bonds can lead to the formation of extremely complex struct…
Derivation of a governing rule in triboelectric charging and series from thermoelectricity
Eui-Cheol Shin, Jae-Hyeon Ko, Ho-Ki Lyeo +1
Friction-driven static electrification is familiar and fundamental in daily life, industry, and technology, but its basics have long been unknown and have continually perplexed sci…
Spectroscopic studies of atomic defects and bandgap renormalization in semiconducting monolayer transition metal dichalcogenides
Tae Young Jeong, Hakseong Kim, Sang-Jun Choi +5
Assessing atomic defect states and their ramifications on the electronic properties of two dimensional van der Waals semiconducting transition metal dichalcogenides (SC TMDs) is th…
Direct Probing of Polarization Charges at the Nanoscale
Owoong Kwon, Daehee Seol, Dongkyu Lee +8
Ferroelectric materials possess spontaneous polarization that can be used for multiple applications. Owing to a long term development for reducing the sizes of devices, the prepara…
Magnetism on the boron-doped Si(111)- surface
Chang-Youn Moon, Daejin Eom, Ja-Yong Koo
We investigate the possible magnetism on the Si(111)- surface, which is stabilized for highly boron-doped samples, by using first-principles calculations. W…
Oscillatory spin-orbit torque switching induced by field-like torques
Jong Min Lee, Jae Hyun Kwon, Rajagopalan Ramaswamy +7
Deterministic magnetization switching using spin-orbit torque (SOT) has recently emerged as an efficient means to electrically control the magnetic state of ultrathin magnets. The…
A New Phosphorus Allotrope with Direct Band Gap and High Mobility
W. H. Han, Sunghyun Kim, In-Ho Lee +1
Based on ab initio evolutionary crystal structure search computation, we report a new phase of phosphorus called green phosphorus (λ-P), which exhibits the direct band gaps ranging…
Boron Triangular Kagome Lattice with Half-Metallic Ferromagnetism
Sunghyun Kim, W. H. Han, In-Ho Lee +1
Based on the first-principles evolutionary materials design, we report a stable boron Kagome lattice composed of triangles in triangles on a two-dimensional sheet. The Kagome latti…
Direct band gap carbon superlattices with efficient optical transition
Young Jun Oh, Sunghyun Kim, In-Ho Lee +2
We report pure carbon-based superlattices that exhibit direct band gaps and excellent optical absorption and emission properties at the threshold energy. The structures are nearly…
Direct detection of pure spin-current by x-ray pump-probe measurements
J. Li, L. R. Shelford, P. Shafer +8
By synchronizing a microwave waveform with the synchrotron x-ray pulses, we use the ferromagnetic resonance (FMR) of the Py (Ni81Fe19) layer in a Py/Cu/Cu75Mn25/Cu/Co multilayer to…
Skyrmion Motion Driven by Oscillating Magnetic Field
Kyoung-Woong Moon, Duck-Ho Kim, Soong-Geun Je +5
Magnetic skyrmion motion induced by an electric current has drawn much interest because of its application potential in next-generation magnetic memory devices. Recently, unidirect…
Dipole-Allowed Direct Band Gap Silicon Superlattices
Young Jun Oh, In-Ho Lee, Sunghyun Kim +2
Silicon is the most popular material used in electronic devices. However, its poor optical properties owing to its indirect band gap nature limit its usage in optoelectronic device…
Magnetic Bubblecade Memory
Kyoung-Woong Moon, Duck-Ho Kim, Sang-Cheol Yoo +6
Unidirectional motion of magnetic domain walls is the key concept underlying next-generation domain-wall-mediated memory and logic devices. Such motion has been achieved either by…
Substrate-supported thermometry platform for nanomaterials like graphene, nanotubes, and nanowires
Zuanyi Li, Myung-Ho Bae, Eric Pop
We demonstrate a substrate-supported thermometry platform to measure thermal conduction in nanomaterials like graphene, with no need to suspend them. We use three-dimensional simul…
Rotation misorientated graphene moire superlattices on Cu(111): classical molecular dynamics simulations and scanning tunneling microscopy studies
P. Süle, M. Szendrő, C. Hwang +1
Graphene on copper is a system of high technological relevance, as Cu is one of the most widely used substrates for the CVD growth of graphene. However, very little is known about…
Stability and dopability of native defects and group-V and -VII impurities in single-layer MoS2
Ji-Young Noh, Minkyu Park, Yong-Sung Kim +1
We investigate the native defects, the Mo substitutional impurities of the group-VB and -VIIB elements, and the S substitutional impurities of the group-VA and -VIIA elements in si…
Thermoelectric imaging of structural disorder in epitaxial graphene
Sanghee Cho, Stephen Dongmin Kang, Wondong Kim +9
Heat is a familiar form of energy transported from a hot side to a colder side of an object, but not a notion associated with microscopic measurements of electronic properties. A t…
Optical Separation of Mechanical Strain from Charge Doping in Graphene
Ji Eun Lee, Gwanghyun Ahn, Jihye Shim +2
Graphene, due to its superior stretchability, exhibits rich structural deformation behaviors and its strain-engineering has proven useful in modifying its electronic and magnetic p…
The structure of multi-wall carbon nanotubes: AA' stacked graphene helices
Jae-Kap Lee, Sohyung Lee, Yong-Il Kim +7
The structure of multi-wall carbon nanotubes has been attributed previously to disordered stacking of the graphene planes.