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 …

Nanostructured tungsten has been proposed as a promising option for plasma facing
materials in future fusion reactors, because compared to conventional tungsten it shows …

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 …

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 …

The Joint AdvaNced PropUlsion InStitute (JANUS) is a NASA-funded endeavor to enable
and proliferate the flight of high-power electric propulsion (EP) systems. Successful …

In this paper, we report the band gap tailoring of naturally available muscovite mica by ultra-
low energy (300 eV) Ar+ ion sputtering at normal ion incidence. The muscovite mica is an …

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 …

We present in situ sputtering yield measurements of the time-dependent erosion of flat and
micro-architectured molybdenum samples in a plasma environment. The measurements are …

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 …

A Monte Carlo model is developed and validated to understand the ion-induced electron
emission (IIEE) characteristics of complex surfaces and to show the importance of using …