8.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Asia Pacific Center for Theoretical PhysicsKR600 papers
- Institute for Basic ScienceKR238 papers
- Seoul National UniversityKR166 papers
- Korea Institute for Advanced StudyKR138 papers
- Korea Advanced Institute of Science and TechnologyKR103 papers
- Pohang Accelerator Laboratory91 papers
- Rutgers, The State University of New JerseyUS74 papers
- Lawrence Berkeley National LaboratoryUS67 papers
- Yonsei UniversityKR60 papers
- Korea UniversityKR57 papers
- Pusan National UniversityKR57 papers
- Sungkyunkwan UniversityKR57 papers
234 papers · 1 filter
Giant Magnetization Enhancement at Ultrathin Limit of an Orthoferrite
Jin Young Oh, Yaolong Xing, Seung Gyo Jeong +18
Low-dimensional magnetic systems have received significant interest due to their high scalability and energy efficiency for future electromagnetic applications. However, low-dimens…
Interfacial chirality-induced magnetic-field-free switching with high energy efficiency in all-vdW heterostructures
Kai-Xuan Zhang, Suik Cheon, Seungbok Lee +12
Chirality, a central concept across many scientific disciplines, continues to inspire the discovery of novel physical phenomena. In condensed matter physics, structural chirality -…
Activated Migration of Localized Ligand-Field Excitons in Atomically Thin CrCl3
Hyesun Kim, Renlong Liu, Sangho Yoon +6
Two-dimensional crystals with densely packed atoms exhibit a range of emerging properties, particularly a wide variety of excitonic behaviors. Thickness-variable layered chromium t…
Atomically Resolved Acoustic Dynamics Coupled with Magnetic Order in a van der Waals Antiferromagnet
Faran Zhou, Kyle Hwangbo, Sung Soo Ha +22
Magnetoelastic coupling in van der Waals (vdW) magnetic materials enables a unique interplay between the spin and lattice degrees of freedom. Characterizing the elastic responses w…
Dynamic nanoscale spatial heterogeneity in a perovskite to brownmillerite topotactic phase transformation
Nicolò D'Anna, Erik S. Lamb, Robin Glefke +5
Phase transitions are omnipresent in modern condensed matter physics and its applications. In solids, first-order phase transformations typically occur by nucleation and growth und…
Chemical States and Local Structure in Cu-Deficient CuInSe2 Thin Films: Insights into Engineering and Bandgap Narrowing
Ahmed Yousef Mohamed, Byoung Gun Han, Hyeonseo Jang +6
The Cu-deficient CuxInSe2 (x larger than 0.3) phase can be stabilized as a thin film. A uniform Cu-deficient composition with a chalcopyrite structure was obtained by the precision…
Magnetotransport in Topological Materials and Nonlinear Hall Effect via First-Principles Electronic Interactions and Band Topology
Dhruv C. Desai, Lauren A. Tan, Jin-Jian Zhou +3
Topological effects arising from the Berry curvature lead to intriguing transport signatures in quantum materials. Two such phenomena are the chiral anomaly and nonlinear Hall effe…
Electrotoroidicity: New Paradigm for Transverse Electromagnetic Responses
Kai Du, Daegeun Jo, Xianghan Xu +7
The exploration of transverse electromagnetic responses in solids with broken spatial-inversion (I) and/or time-reversal (T) symmetries has unveiled numerous captivating phenomena,…
Unusual ferromagnetic band evolution and high Curie temperature in monolayer 1T-CrTe2 on bilayer graphene
Kyoungree Park, Ji-Eun Lee, Dongwook Kim +17
2D van der Waals ferromagnets hold immense promise for spintronic applications due to their controllability and versatility. Despite their significance, the realization and in-dept…
Ubiquitous Antiparallel Domains in 2D Hexagonal Boron Nitride Uncovered by Interferometric Nonlinear Optical Imaging
Yeri Lee, Juseung Oh, Kyung Yeol Ma +10
Hexagonal boron nitride (hBN) supports a wide range of two-dimensional (2D) technologies, yet assessing its crystalline quality over large areas remains a fundamental challenge. Bo…
Ultrastrong and ductile CoNiMoAl medium-entropy alloys enabled by L12 nanoprecipitate-induced multiple deformation mechanisms
Min Young Sung, Tae Jin Jang, Sang Yoon Song +11
L12 precipitates are known to significantly enhance the strength and ductility of single-phase face-centered cubic (FCC) medium- or high-entropy alloys (M/HEAs). However, further i…
Deterministic Néel vector switching of altermagnets via magnetic octupole torque
Seungyun Han, Insu Baek, Kyoung-Whan Kim +2
Altermagnets have recently emerged as promising materials for next-generation spintronic devices. For their device applications, realizing a single-domain configuration is essentia…
Ferroelectric switching of interfacial dipoles in -RuCl/graphene heterostructure
Soyun Kim, Jo Hyun Yun, Junsik Choe +8
We demonstrate electrically switchable, non-volatile dipoles in graphene/thin hBN/-RuCl heterostructures, stabilized purely by interfacial charge transfer across an atomical…
Local Inversion Symmetry Breaking and Thermodynamic Evidence for Ferrimagnetism in Fe3GaTe2
Sang-Eon Lee, Yue Li, Yeonkyu Lee +19
The layered compound Fe3GaTe2 is attracting attention due to its high Curie temperature, low dimensionality, and the presence of topological spin textures above room temperature, m…
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…
Wafer-scale Programmed Assembly of One-atom-thick Crystals
Seong-Jun Yang, Ju-Hyun Jung, Eunsook Lee +11
Crystalline films offer various physical properties based on the modulation of their thicknesses and atomic structures. The layer-by-layer assembly of atomically thin crystals prov…
Step-directed Epitaxy of Uni-directional Hexagonal Boron Nitride on Vicinal Ge(110)
Ju-Hyun Jung, Chao Zhao, Seong-Jun Yang +8
Insulating hexagonal boron nitride (hBN) films with precisely controlled thickness are ideal dielectric components to modulate various interfaces in electronic devices. To achieve…
All-Dry Transfer of Graphene Film by Van der Waals Interactions
Seong-Jun Yang, Shinyoung Choi, Francis Okello Odongo Ngome +3
We report a method that uses van der Waals interactions to transfer continuous, high-quality graphene films from Ge(110) to a different substrate held by hexagonal boron nitride ca…
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…
Exploring the impact of Ti/Al on L12 nanoprecipitation and deformation behavior in CoNiFeAlTi multi-principal element alloys through atomistic simulations
Amin Esfandiarpour, Anshul D. S. Parmar, Silvia Bonfanti +3
Recent studies on CoNi-based multi-principal element alloys (MPEAs) have demonstrated high strength and ductility, attributed to the formation of stable L12 nanoscale precipitates.…
Enhanced Stability and Linearly Polarized Emission from CsPbI Perovskite Nanoplatelets through A-site Cation Engineering
Woo Hyeon Jeong, Junzhi Ye, Jongbeom Kim +10
The anisotropy of perovskite nanoplatelets (PeNPLs) opens up many opportunities in optoelectronics, including enabling the emission of linearly polarized light. But the limited sta…
Designing cobalt-free face-centered cubic high-entropy alloys: A strategy using d-orbital energy level
Yulin Li, Artur Olejarz, Lukasz Kurpaska +4
High-entropy alloys (HEAs) are promising materials for high-temperature structural applications such as nuclear reactors due to their outstanding mechanical properties and thermal…
Unveiling three types of fermions in a nodal ring topological semimetal through magneto-optical transitions
Jiwon Jeon, Taehyeok Kim, Jiho Jang +5
We investigate the quasiparticles of a single nodal ring semimetal SrAs through axis-resolved magneto-optical measurements. We observe three types of Landau levels scaling as $…
Novel magnetic-field-free switching behavior in vdW-magnet/oxide heterostructure
Jihoon Keum, Kai-Xuan Zhang, Suik Cheon +7
Magnetization switching by charge current without a magnetic field is essential for device applications and information technology. It generally requires a current-induced out-of-p…