Research status and issues of tungsten plasma facing materials for ITER and beyond

Y Ueda, JW Coenen, G De Temmerman… - Fusion engineering and …, 2014 - Elsevier
This review summarizes surface morphology changes of tungsten caused by heat and
particle loadings from edge plasmas, and their effects on enhanced erosion and material …

Helium, hydrogen, and fuzz in plasma-facing materials

KD Hammond - Materials Research Express, 2017 - iopscience.iop.org
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 influence of plasma-surface interaction on the performance of tungsten at the ITER divertor vertical targets

G De Temmerman, T Hirai, RA Pitts - Plasma Physics and …, 2018 - iopscience.iop.org
The tungsten (W) material in the high heat flux regions of the ITER divertor will be exposed
to high fluxes of low-energy particles (eg H, D, T, He, Ne and/or N). Combined with long …

Growth of fiberform nanostructures on metal surfaces by helium plasma irradiation

S Kajita, AM Ito, K Ibano - Journal of Applied Physics, 2022 - pubs.aip.org
Helium plasma irradiation to various metals leads to peculiar morphology changes as
forming fiberform nanostructures called fuzz when a certain set of conditions is satisfied. In …

Ultrafine tungsten as a plasma-facing component in fusion devices: effect of high flux, high fluence low energy helium irradiation

O El-Atwani, S Gonderman, M Efe… - Nuclear …, 2014 - iopscience.iop.org
This work discusses the response of ultrafine-grained tungsten materials to high-flux, high-
fluence, low energy pure He irradiation. Ultrafine-grained tungsten samples were exposed …

Enhanced growth of large-scale nanostructures with metallic ion precipitation in helium plasmas

S Kajita, S Kawaguchi, N Ohno, N Yoshida - Scientific reports, 2018 - nature.com
Helium plasma irradiation on metal surfaces leads to the formation of metallic fuzzy
nanostructures accompanied by the growth of helium bubbles in metals. The mechanism of …

Morphologies of tungsten nanotendrils grown under helium exposure

K Wang, RP Doerner, MJ Baldwin, FW Meyer… - Scientific reports, 2017 - nature.com
Nanotendril “fuzz” will grow under He bombardment under tokamak-relevant conditions on
tungsten plasma-facing materials in a magnetic fusion energy device. We have grown …

Helium-induced morphology evolution in tungsten under thermal treatment

M Ialovega, E Bernard, MF Barthe, R Bisson… - Nuclear …, 2022 - iopscience.iop.org
Surface and near-surface morphology evolution of helium-irradiated tungsten due to thermal
cycling up to the ITER-relevant temperature of 1350 K was studied using electron …

Helium plasma implantation on metals: Nanostructure formation and visible-light photocatalytic response

S Kajita, T Yoshida, D Kitaoka, R Etoh… - Journal of Applied …, 2013 - pubs.aip.org
It has been found recently that low-energy helium (He) plasma irradiation to tungsten (W)
leads to the growth of W nanostructures on the surface. The process to grow the …

Efficient Plasma Route to Nanostructure Materials: Case Study on the Use of m-WO3 for Solar Water Splitting

M De Respinis, G De Temmerman… - … Applied Materials & …, 2013 - ACS Publications
One of the main challenges in developing highly efficient nanostructured photoelectrodes is
to achieve good control over the desired morphology and good electrical conductivity. We …