Femtosecond nonlinear optical response and minority carrier lifetime of F4TCNQ-doped bismuthene for optoelectronic and ultrafast photonic applications

M Abdelfatah, OH Basyouni, W Ismail… - Journal of Alloys and …, 2023 - Elsevier
Bismuthene has received a lot of interest because of its unusual electronic and photonic
properties. To widen the use of bismuthene in optoelectronic and ultrafast photonic devices …

Raman scattering monitoring of thin film materials for atomic layer etching/deposition in the nano-semiconductor process integration

JB Kim, DS Kim, JS Kim, JH Choe, DW Ahn… - Chemical Physics …, 2023 - pubs.aip.org
According to Moore's law, the semiconductor industry is experiencing certain challenges in
terms of adapting to highly sophisticated integrated technology. Therefore, controlling …

Raman Shift of Surface Reaction and Plasma Induced Surface Damage by TNF3/BNF3 Reactive Ion Etching Process

HJ Shim, JS Kim, DW Ahn, JH Choe, E Jung… - Electronic Materials …, 2022 - Springer
We examined the conditions for process optimization with the exposure of hot H2/NF3
mixture to a chemical oxide on the Si surface. Etching characteristics are described; then the …

Microstructure-based analysis of fine metal mask cleaning in organic light emitting diode display manufacturing

YC Jeong, JH Yu, KY Shin, S Lee, CR Yoon… - Micro and Nano Systems …, 2019 - Springer
This study proposes the unique method to analyze the cleanliness of the fine metal mask
(FMM) used in OLED display manufacturing after FMM cleaning process. We developed a …

Real‐time Raman analysis of cleaning solution: Determination of Al/Alq3 residue in cleaning mixture

Y Cui, HJ Shim, Y Gao, SG Pyo - Journal of Raman …, 2019 - Wiley Online Library
The analysis of cleaning solutions is difficult, especially if a chemical reaction occurs in the
mixed solution. Such chemical reactions lead to real‐time changes in the vibrations of the …