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 …

Helium (He) bubbles are typical radiation defects in structural materials in nuclear reactors
after high dose energetic particle irradiation. In the past decades, extensive studies have …

Molecular dynamics simulations reveal sub-surface mechanisms likely involved in the initial
formation of nanometre-sized'fuzz'in tungsten exposed to low-energy helium plasmas …

A new interatomic pair potential for W–He is described, which includes a short range
modification to the Ackland–Thetford tungsten potential. Molecular dynamics simulations …

Density functional theory calculations have been performed to study the dissolution and
migration of helium in α-iron, and the stability of small helium-vacancy clusters He n V m (n …

MD Molecular dynamics MS Molecular statics NF Nanofeatures NFA Nanostructured ferritic
alloys ODE Ordinary differential equation OEMS(Positron) orbital electron momentum …

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

Fe films with an average columnar grain size varying from 49 to 96nm are deposited by
magnetron sputtering technique. Sputtered films have predominant body centered cubic …

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 …

In the near surface of plasma facing materials, high concentrations of hydrogen and helium
isotopes can build up, which will interact with the point defects resulting from the …