Key plasma parameters for nanometric precision etching of Si films in chlorine discharges

P Brichon, E Despiau-Pujo, O Mourey… - Journal of Applied …, 2015 - pubs.aip.org
Ultrathin layered films in new transistors architectures (FinFET and fully depleted SOI)
require damage-free plasma etching techniques with unprecedented selectivity between …

Time-resolved ion energy distribution in pulsed inductively coupled argon plasma with/without DC bias

Z Chen, J Blakeney, M Carruth, PLG Ventzek… - Journal of Vacuum …, 2022 - pubs.aip.org
Pulsed plasmas have emerged as promising candidates as a means for precise control of
ion energy/angle dependent surface processes and surface chemistry during the plasma …

Fabrication of high aspect ratio AlN nanopillars by top-down approach combining plasma etching and wet etching

L Jaloustre, SS De Mello, S Labau… - Materials Science in …, 2024 - Elsevier
This study proposes a top-down approach for fabricating high aspect ratio AlN pillars with m-
oriented nonpolar sidewalls, which will serve as the first building block for the fabrication of …

Complex transients of input power and electron density in pulsed inductively coupled discharges

F Gao, XY Lv, YR Zhang, YN Wang - Journal of Applied Physics, 2019 - pubs.aip.org
Time-dependent studies of pulsed inductively coupled Ar and Ar/CF 4 discharges are
presented in this work. By using a time-resolved power diagnosis system, ie, a Langmuir …

Pulsed Cl2/Ar inductively coupled plasma processing: 0D model versus experiments

E Despiau-Pujo, M Brihoum, P Bodart… - Journal of Physics D …, 2014 - iopscience.iop.org
Comparisons between measurements and spatially-averaged (0D) simulations of low-
pressure Ar and Cl 2 pulsed-plasmas in an industrial inductively coupled reactor are …

Helium plasma modification of Si and Si3N4 thin films for advanced etch processes

V Martirosyan, E Despiau-Pujo, J Dubois… - Journal of Vacuum …, 2018 - pubs.aip.org
To achieve the etching of silicon nitride spacers with a perfect anisotropy and an almost
infinite selectivity, an alternative method consisting of two sequential steps—surface …

Quasi‐atomic layer etching of silicon with surface chlorination and removal using Ar or He plasmas

N Kim, WK Kim, D Shin, JK Kim, CM Lee… - Plasma Processes …, 2024 - Wiley Online Library
A comparative study of argon (Ar) and helium (He) plasmas is conducted in quasi‐atomic
layer etching (ALE) processes for silicon (Si). The ALE window is identified to be between 35 …

Development of plasma etching processes to pattern sub-15 nm features with PS-b-PMMA block copolymer masks: Application to advanced CMOS technology

M Delalande, G Cunge, T Chevolleau… - Journal of Vacuum …, 2014 - pubs.aip.org
The best strategies to transfer nanoholes formed from the self-assembly of Polystyren/
Polymethylmethacrylate (PS/PMMA) based block copolymers into a silicon substrate are …

Etch characteristics of Si and TiO2 nanostructures using pulse biased inductively coupled plasmas

SG Kim, KC Yang, YJ Shin, KN Kim, DW Kim… - …, 2020 - iopscience.iop.org
The etch characteristics of Si and TiO 2 nanostructures for optical devices were investigated
using pulse biased inductively coupled plasmas (ICP) with SF 6/C 4 F 8/Ar and BCl 3/Ar …

Investigation of stochastic heating and its influence on plasma radial uniformity in biased inductively coupled Ar discharges by hybrid simulation

JW Huang, ML Zhao, YR Zhang, F Gao… - Physics of Plasmas, 2023 - pubs.aip.org
A bias power is usually applied in inductively coupled plasmas (ICP) to realize the separate
control of the plasma density and the ion energy. In this research, a two-dimensional …