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 …

Large-scale molecular dynamics simulations of post-implantation helium behavior in plasma-
facing tungsten single crystals reveal orientation-dependent depth profiles, surface evolution …

The formation of helium bubbles and subsequent property degradation poses a significant
challenge to tungsten as a plasma-facing material in future long-pulse plasma-burning …

Tungsten is a promising plasma facing material for fusion reactors. Despite many favorable
properties, helium ions incoming from the plasma are known to dramatically affect the …

We investigate helium flux effects on helium transport and surface evolution in plasma-
facing tungsten using molecular dynamics. The simulations span two orders of magnitude …

We report results on the lattice thermal conductivities of tungsten single crystals containing
nanoscale-sized pores or voids and helium (He) nanobubbles as a function of void/bubble …

We conduct molecular dynamics simulations of helium in tungsten to study the interaction of
helium with grain boundaries. Model systems with grain boundary planes perpendicular to …

Tungsten (W) has been chosen as the primary plasma-facing material in nuclear fusion
reactors. However, when helium (He) ions are continuously irradiated, enormous amounts of …

Grain boundaries are known to act as important diffusion pathways in metals. Here we
examine how hydrogen diffusion in nickel grain boundaries is affected by different grain …