[HTML][HTML] Sputter yields of rough surfaces: Importance of the mean surface inclination angle from nano-to microscopic rough regimes
C Cupak, PS Szabo, H Biber, R Stadlmayr… - Applied Surface …, 2021 - Elsevier
The roughness of a surface is known to have a strong influence on the sputtering process.
Commonly used 1D Monte Carlo codes for calculating sputter yields show good agreement …
Commonly used 1D Monte Carlo codes for calculating sputter yields show good agreement …
Surface morphology and carbon structure effects on sputtering: Bridging scales between molecular dynamics simulations and experiments
Experiments report large scatter in the sputtering yield of carbon materials under the
bombardment of low-energy noble gas ions. Here, we conduct scale-bridging molecular …
bombardment of low-energy noble gas ions. Here, we conduct scale-bridging molecular …
Experimental insights into space weathering of phobos: Laboratory investigation of sputtering by atomic and molecular planetary ions
Investigating the space weathering of the Martian moon Phobos represents an important
step toward understanding the development from its origin to its present‐day appearance …
step toward understanding the development from its origin to its present‐day appearance …
Persistent sputtering yield reduction in plasma-infused foams
Aluminum microfoams are found to exhibit persistent sputtering yield reductions of 40%–
80% compared to a flat aluminum surface under 100 to 300 eV argon plasma bombardment …
80% compared to a flat aluminum surface under 100 to 300 eV argon plasma bombardment …
Secondary electron emission from textured surfaces
In this work, a Monte Carlo model is used to investigate electron induced secondary electron
emission for varying effects of complex surfaces by using simple geometric constructs …
emission for varying effects of complex surfaces by using simple geometric constructs …
[HTML][HTML] In situ microscopy for plasma erosion of complex surfaces
A Ottaviano, A Thuppul, J Hayes, C Dodson… - Review of Scientific …, 2021 - pubs.aip.org
A novel method for the in situ visualization and profilometry of a plasma-facing surface is
demonstrated using a long-distance microscope. The technique provides valuable in situ …
demonstrated using a long-distance microscope. The technique provides valuable in situ …
Analysis of Sputtering Yield Measurements for Ion Thruster Grid Materials
Z He, L Miao, Z Zhu, F Liang, J Song, N Wang, X Hou - AIAA Journal, 2023 - arc.aiaa.org
Grid assembly is one of the key components of an ion thruster and directly affects the
performance and life of the thruster. The measurement of the sputtering yield of the grid …
performance and life of the thruster. The measurement of the sputtering yield of the grid …
Charge and discharge behavior of elemental sulfur in isochoric high temperature thermal energy storage systems
Thermal energy storage with elemental sulfur is a low-cost alternative to molten salts for
many medium to high-temperature energy applications (200–600° C). In this effort, by …
many medium to high-temperature energy applications (200–600° C). In this effort, by …
[HTML][HTML] Computational investigation of incident ion angles and material erosion at rough graphite and silicon carbide divertor surfaces
We present a computational investigation of the dependence of material erosion on the
incident ion angle at rough graphite and silicon carbide divertor surfaces. Ion angle …
incident ion angle at rough graphite and silicon carbide divertor surfaces. Ion angle …
A coupled rate theory-Monte Carlo model of helium bubble evolution in plasma-facing micro-engineered tungsten
E Gao, NM Ghoniem - Journal of Nuclear Materials, 2018 - Elsevier
A multiscale model of helium bubble evolution in plasma-facing materials is developed. The
model links different stages of helium bubble evolution: deposition, nucleation, growth …
model links different stages of helium bubble evolution: deposition, nucleation, growth …