Research Interest
• Surface Plasmons and Plasmonic Applications in Nanostructures
• Ultrafast Electronic Processes in Low-Dimensional Semiconductor Nanostructures
• Two-Dimensional Magnetic Materials: MPX₃
• Optical and Transport Properties of Graphene and Related Systems (Nanoribbons, Graphite), High-Energy Electron Relaxation, and Many-Body Effects
Education
• Ph.D., University of Maryland
• M.S., Korea University
• B.S., Korea University
Experience
• Professor (Mar 2023–Present), Sungkyunkwan University
• Associate Professor (Sep 2012–Feb 2023), Sungkyunkwan University
• Principal Research Scientist (Jul 2000–Aug 2012), Institute for Theoretical Condensed Matter Physics, University of Maryland
Journal Articles
• (2024) Convergence Analysis and Predictions for Optimizing Reciprocal Grids: A First-Principles and Machine Learning Study. JOURNAL OF PHYSICAL CHEMISTRY A. 129, 1
• (2024) Microsecond triplet emission from organic chromophore-transition metal dichalcogenide hybrids via through-space spin orbit proximity effect. NATURE COMMUNICATIONS. 15, 1
• (2024) Carrier type and density dependence of impact ionization characteristics in WSe2. NANOSCALE. 16, 41
• (2024) Strain-graded quantum dots with spectrally pure, stable and polarized emission. NATURE COMMUNICATIONS. 15, 1
• (2024) Semi-Metal Edge Contact for Barrier-Free Carrier Transport in MoS2 Field Effect Transistors. ACS APPLIED ELECTRONIC MATERIALS. 6
• (2024) Anisotropic charge transport at the metallic edge contact of ReS2 field effect transistors. Communications Materials. 5, 1
• (2024) Probing Inherent Optical Anisotropy in Substrates via Direct Nanoimaging of Mie Scattering. ACS NANO. 18, 19
• (2024) Effect of Charge Density Wave on the Electronic Transport in Graphene. ACS APPLIED ELECTRONIC MATERIALS. 6, 2
• (2024) Growth Control of InP/ZnSe Heterostructured Nanocrystals. ADVANCED MATERIALS. 23, 1225
• (2023) Coherent heteroepitaxial growth of I-III-VI2 Ag(In,Ga)S2 colloidal nanocrystals with near-unity quantum yield for use in luminescent solar concentrators. NATURE COMMUNICATIONS. 14, 1
• (2023) Selective Mapping of Tip-Launched Near-Field Scattering of Surface Plasmon Polaritons for Retrieving Dispersion Relation in Silver Nanoflakes. ACS APPLIED NANO MATERIALS. 6, 4
• (2023) Anisotropy of impact ionization in WSe2 field effect transistors. NANO CONVERGENCE. 10, 1
• (2022) Impact of Morphological Inhomogeneity on Excitonic States in Highly Mismatched Alloy ZnSe1-XTeX Nanocrystals. JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 13, 49
• (2022) Broad-Spectrum Photodetection with High Sensitivity Via Avalanche Multiplication in WSe2. ADVANCED OPTICAL MATERIALS. 10, 22
• (2022) Diffusive density response of electrons in anisotropic multiband systems. PHYSICAL REVIEW B. 106, 12
• (2022) Direct patterning of colloidal quantum dots with adaptable dual-ligand surface. NATURE NANOTECHNOLOGY. 17, 9
• (2022) Metal–Insulator Transition Driven by Traps in 2D WSe2 Field-Effect Transistor. ADVANCED ELECTRONIC MATERIALS. 8, 9
• (2022) Quantum readout error mitigation via deep learning. NEW JOURNAL OF PHYSICS. 24, 7
• (2022) Fermi Level Pinning Dependent 2D Semiconductor Devices: Challenges and Prospects. ADVANCED MATERIALS. 34, 15
• (2022) A steep switching WSe2 impact ionization field-effect transistor. NATURE COMMUNICATIONS. 13, 1
Honors / Awards
• Member, American Physical Society (APS)
• Member, Korean Physical Society (KPS)
Conference Paper
• (2019) Ferromagnetism in Two-Dimensional Materials. IUMRS-ICEM 2018, Republic of Korea
• (2019) Quasiparticle Interference and Impurity Resonances in Type-II Weyl Semimetal WTe₂. ISPSA 2018, Republic of Korea
• (2019) Transport in Magic-Angle Twisted Bilayer Graphene. Graphene 2019, Italy
• (2019) Plasmon-Pole Approximation for Many-Body Effects in Graphene. Graphene for US 2019, United States
• (2017) Electronic and Magnetic Properties of Two-Dimensional Transition-Metal Thiophosphates (MPX₃). Energy Materials Nanotechnology (EMN) on 2D Materials, France
• (2017) Coupled Plasmon Modes in Vertically Stacked 2D Nanomaterials. Strongly Coupled Coulomb Systems Interference Conference, Germany
• (2017) Quasiparticle Interference and Fourier-Transform Scanning Tunneling Spectroscopy in WTe₂. Workshop on Electron–Electron Interactions in Topological Materials, Singapore
• (2017) Quasiparticle Interference and Fourier-Transform Scanning Tunneling Spectroscopy in Twisted Bilayer Graphene and WTe₂ (Weyl Semimetals). 4th Korean Graphene and Two-Dimensional Materials Symposium, Republic of Korea
• (2017) Electronic and Transport Properties of Two-Dimensional Semiconductors. 24th Korean Conference on Semiconductors, Republic of Korea
• (2016) Electron–Phonon Dispersion and Superconductivity in Monolayer 2H-NbSe₂. 8th Recent Progress in Graphene–2D Research (RPGR 2016), Republic of Korea
• (2016) Collective Modes of Twisted Bilayer Graphene. 8th Recent Progress in Graphene–2D Research (RPGR 2016), Republic of Korea
• (2016) Magnetism in Two-Dimensional CrPS₃ and CrPS₄. 8th Recent Progress in Graphene–2D Research (RPGR 2016), Republic of Korea
• (2016) Electronic and Magnetic Properties of Two-Dimensional Transition-Metal Thiophosphates and Tunability of Magnetic Order with Carrier Density. Graphene Week 2016, Poland
• (2016) Ab Initio Study of Magnetic Single-Layer MPX₃ Metal Phosphorus Trichalcogenides. APS March Meeting 2016, United States
• (2016) Mobility versus Quality in Two-Dimensional Semiconductor Structures. International Workshop on Emergent Phenomena in Quantum Hall Systems 6, India