Nonlinear optical properties of PVD-grown Cr2Te3 film and its nonlinear switching application

K Lee, IH Lee, YG Khim, S Kwon, G Lim, J Jung… - Journal of Alloys and …, 2023 - Elsevier
Abstract Recently, two-dimensional (2D) nanomaterials have been investigated extensively
in the field of nonlinear photonics. Cr 2 Te 3, which is one of the 2D transition metal …

Signature of weakly coupled electrons and conduction electrons in magnetic Weyl semimetal candidates PrAlSi and SmAlSi

R Lou, A Fedorov, L Zhao, A Yaresko, B Büchner… - Physical Review B, 2023 - APS
Magnetic topological materials are a class of compounds with the underlying interplay of
nontrivial band topology and magnetic spin configuration. Extensive interest has been …

[HTML][HTML] Controlling the magnetic properties of layered Cr2Te3 thin films via ex-situ annealing

IH Lee, YG Khim, J Eom, JY Kee, BK Choi, HJ Kim… - Applied Surface …, 2024 - Elsevier
We present a post-growth ex-situ annealing method to control the Curie temperature and
magnetic anisotropy of Cr 2 Te 3 van der Waals ferromagnetic thin films. The as-grown Cr 2 …

Strong electron–phonon coupling driven charge density wave states in stoichiometric 1T-VS 2 crystals

SH Lee, YC Park, J Chae, G Kim, HJ Kim… - Journal of Materials …, 2022 - pubs.rsc.org
A charge density wave (CDW) transition is one of the fundamental quantum phenomena
used to unveil the interactions between electrons and phonons that are coexisting or …

Nano-mapping of vertical contact electrodes using synchrotron scanning photoelectron microscopy

M Gu, H Jang, H Ahn, HJ Kim, MS Hyun, YC Park… - Applied Surface …, 2024 - Elsevier
With the rise in demand for high aspect ratio hole etching in semiconductor device
fabrication, developing efficient inspection methods to detect etching failures is increasingly …

In‐Plane Anisotropy in van der Waals NiTeSe Ternary Alloy

NH Lam, TG Rhee, S Kim, BK Choi… - Advanced …, 2025 - Wiley Online Library
The anisotropic properties of materials profoundly influence their electronic, magnetic,
optical, and mechanical behaviors and are critical for a wide range of applications. In this …

Magnetic properties of van der Waals ferromagnet Fe3GeTe2 nanosheets grown by flux-assisted growth

S Choi, IH Lee, YG Khim, JY Kee, TG Rhee… - Current Applied …, 2025 - Elsevier
Abstract Among two-dimensional (2D) van der Waals (vdW) materials, Fe 3 GeTe 2 (FGT), a
2D vdW ferromagnetic material, has gained significant interest due to its high Curie …

Electrical conductivity enhancement of epitaxially grown TiN thin films

YG Khim, B Park, JE Heo, YH Khim, YR Khim… - Journal of the Korean …, 2023 - Springer
Titanium nitride (TiN) presents superior electrical conductivity with mechanical and chemical
stability and compatibility with the semiconductor fabrication process. Here, we fabricated …

[HTML][HTML] Scanning Tunneling Microscopy Study of Layered van der Waals Materials

웬후람 - 2024 - oak.ulsan.ac.kr
Understanding the structure, electronic properties, and defect characteristics of materials is
essential for their application in devices. Scanning tunneling microscopy (STM) emerges as …