activity
20222026
most citedSTEM image analysis based on deep learning: identification of vacancy defects and polymorphs of

47 citations · 65 across the 7 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2026

Interplay between Interlayer Shift and Twist: Twisted van der Waals Nanowires Driven by Rotational Twinning

Dong-gyu Kim, Kisung Kang, Hani Kang +8

In van der Waals(vdW) layered materials, interlayer shift and twist have enabled the control of material properties through polytype and moire engineering. Various approaches, incl…

cond-mat.mtrl-sci2026

Dimensional Control of Excitonic Interactions in Exfoliated 2D Molecular Crystals

Jonghyun Son, Seonghyun Koo, Daniel Yim +17

Excited states in molecular crystals depend on intermolecular coupling, charge-transfer interactions, dielectric screening and molecular packing. How reduced dimensionality modifie…

cond-mat.mtrl-sci2026

Dual-Mode Exciton Coupling in Epitaxially Registered Organic-Inorganic 2D Heterocrystals

Eunbeen Jeon, Kihyun Lee, Jieun Yeon +5

Two-dimensional (2D) heterocrystals comprising molecules and semiconductors can serve as an ideal platform for studying interfacial excitons and for future optoelectronic applicati…

cond-mat.mtrl-sci2025★ 4 cited

Crystalline-to-Crystalline Phase Transition between Germanium Selenide Polymorphs with High Resistance Contrast

Joonho Kim, Kihyun Lee, Joong-Eon Jung +3

Understanding phase transitions between crystalline phases of a material is crucial for both fundamental research and potential applications such as phase-change memory. In this st…

cond-mat.mtrl-sci2025

Energetically Favored One-Dimensional Moiré Superstructure in the Pseudo-Square Lattice GdTe3

Jieun Yeon, Kihyun Lee, Myeongjin Jang +4

Moiré engineering in layered crystals has recently gained considerable attention due to the discovery of various structural and physical phenomena, including interfacial reconstruc…

cond-mat.mtrl-sci2023★ 14 cited

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…

cond-mat.mes-hall2022

Atomically Sharp, Closed Bilayer Phosphorene Edges by Self-Passivation

Sol Lee, Yangjin Lee, Li Ping Ding +3

Two-dimensional (2D) crystals' edge structures not only influence their overall properties but also dictate their formation due to edge-mediated synthesis and etching processes. Ed…

cond-mat.mes-hall2022★ 47 cited

STEM image analysis based on deep learning: identification of vacancy defects and polymorphs of

Kihyun Lee, Jinsub Park, Soyeon Choi +9

Scanning transmission electron microscopy (STEM) is an indispensable tool for atomic-resolution structural analysis for a wide range of materials. The conventional analysis of STEM…