Tungsten, the primary material under consideration as the divertor material in magnetic-
confinement nuclear fusion reactors, has been known for the last decade to form'fuzz'—a …

The change in surface damage/microstructures and its effects on the hydrogen (H)
isotope/helium (He) dynamic behavior are the key factors for investigating issues of tungsten …

The growth process of He bubbles in W is investigated using molecular dynamics and
parallel replica dynamics for growth rates spanning 6 orders of magnitude. Fast and slow …

The central approximation made in classical molecular dynamics simulation of materials is
the interatomic potential used to calculate the forces on the atoms. Great effort and ingenuity …

We present atomistic simulations that show the effect of surface orientation on helium depth
distributions and surface feature formation as a result of low-energy helium plasma …

The nucleation and subsequent growth of helium bubbles in bulk tungsten is investigated
using molecular dynamics simulations. By considering a setting that includes the diffusion …

Fusion reactor materials experience high ion fluxes and operating temperatures, which will
ultimately produce subsurface helium and hydrogen bubbles in the tungsten divertor that …

In this study, we investigated the diffusion and incidence of helium on tungsten surfaces
using first principles and molecular dynamics methods. For three common tungsten surfaces …

In fusion devices, ion retention and sputtering of materials are major concerns in the
selection of compatible plasma-facing materials (PFMs), especially in the context of their …

This study uses atomistic simulations to calculate the sputtering yield of tungsten in the
presence and absence of near-surface helium clusters. We find that near-surface helium in …