Synthesis of (E)-2-(1H-tetrazole-5-yl)-3-phenylacrylenenitrile derivatives catalyzed by new ZnO nanoparticles embedded in a thermally stable magnetic periodic …

S Safapoor, MG Dekamin, A Akbari… - Scientific Reports, 2022 - nature.com
ZnO nanoparticles embedded in a magnetic isocyanurate-based periodic mesoporous
organosilica (Fe3O4@ PMO–ICS–ZnO) were prepared through a modified environmentally …

Novel magnetic propylsulfonic acid-anchored isocyanurate-based periodic mesoporous organosilica (Iron oxide@PMO-ICS-PrSO3H) as a highly efficient and …

A Akbari, MG Dekamin, A Yaghoubi… - Scientific Reports, 2020 - nature.com
In this study, preparation and characterization of a new magnetic propylsulfonic acid-
anchored isocyanurate bridging periodic mesoporous organosilica (Iron oxide@ PMO-ICS …

Dry etching in the presence of physisorption of neutrals at lower temperatures

T Lill, IL Berry, M Shen, J Hoang, A Fischer… - Journal of Vacuum …, 2023 - pubs.aip.org
In this article, we give an overview about the chemical and physical processes that play a
role in etching at lower wafer temperatures. Conventionally, plasma etching processes rely …

Impact of VUV photons on SiO2 and organosilicate low-k dielectrics: General behavior, practical applications, and atomic models

MR Baklanov, V Jousseaume, TV Rakhimova… - Applied Physics …, 2019 - pubs.aip.org
This paper presents an in-depth overview of the application and impact of UV/VUV light in
advanced interconnect technology. UV light application in BEOL historically was mainly …

Cryogenic etching of silicon compounds using a CHF3 based plasma

R Dussart, R Ettouri, J Nos, G Antoun… - Journal of Applied …, 2023 - pubs.aip.org
Cryogenic etching of a-Si, SiO 2, and Si 3 N 4 materials by CHF 3/Ar inductively coupled
plasma is investigated in a range of temperature from− 140 to+ 20 C. Samples of the three …

An approach to reduce surface charging with cryogenic plasma etching using hydrogen-fluoride contained gases

SN Hsiao, M Sekine, K Ishikawa, Y Iijima… - Applied Physics …, 2023 - pubs.aip.org
The surface conductivity influences the etched pattern profiles in the plasma process. In the
dielectric film etching, it is vital to reduce the charging build-up, which bends the trajectory of …

Influences of substrate temperatures on etch rates of PECVD-SiN thin films with a CF4/H2 plasma

SN Hsiao, K Nakane, T Tsutsumi, K Ishikawa… - Applied Surface …, 2021 - Elsevier
The dependence of substrate temperatures (50 to− 20° C) on etch rate in two kinds of
PECVD SiN films were investigated by a CF 4/H 2 mixture plasma. The XRR and XPS …

Pseudo‐Wet Plasma Mechanism Enabling High‐Throughput Dry Etching of SiO2 by Cryogenic‐Assisted Surface Reactions

SN Hsiao, M Sekine, N Britun, MKT Mo, Y Imai… - Small …, 2024 - Wiley Online Library
Manufacturing semiconductor devices requires advanced patterning technologies, including
reactive ion etching (RIE) based on the synergistic interactions between ions and etch gas …

Characteristics of clean SiO2 atomic layer etching based on C6F6 physisorption

DI Sung, HW Tak, HJ Kim, DW Kim, GY Yeom - Applied Surface Science, 2024 - Elsevier
SiO 2 atomic layer etching (ALE) techniques are widely used to improve the etch issues
related to nanoscale semiconductor device etching such as self-aligned contact (SAC) …

Cryo atomic layer etching of SiO2 by C4F8 physisorption followed by Ar plasma

G Antoun, P Lefaucheux, T Tillocher, R Dussart… - Applied Physics …, 2019 - pubs.aip.org
Atomic Layer Etching is performed on SiO 2 samples cooled down to a very low temperature
(below− 100 C). C 4 F 8 gas flow is injected and molecules physisorb on the cooled …