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 …

Total sputtering yield and spatial distributions of sputtered atoms are important for numerous
deposition techniques. We performed SRIM (Stopping and Range of Ions in Matter) …

Ionic liquid electrosprays can emit a polydisperse population of charged droplets, clusters,
and molecular ions at high velocity. Secondary species emission (SSE) is a term that …

Molecular dynamics (MD) simulations have established the sputtering yields of carbon
under the low-energy bombardment of noble gas ions. Here, we upscale these MD results to …

Thrust densification of space electric propulsion (EP) technologies is necessary to enable
future ambitious space missions and exploration, such as crewed missions to Mars. EP …

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 …

A multi-scale simulation framework for ion–solid interactions in plasma-exposed materials
provides crucial insight into advancing fusion energy and space electric propulsion …

Complex material surfaces can reduce secondary electron emission (SEE) and sputtering
via geometric trapping. In this work, the SEE yields for a range of open-cell reticulated …

RF gridded ion thrusters are simpler in construction than other gridded ion thrusters and
have been shown to be more robust for air-breathing electric propulsion and alternative …

Advanced plasma-resistant materials are crucial in space electric propulsion (EP) systems,
where plasma-facing components face intense high-energy interactions. These materials …