Magnetic-dipole lines in Fe-like and Mn-like molybdenum ions

ZC He, J Meng, YJ Li, FS Jia, N Khan, B Niu… - Journal of Quantitative …, 2022 - Elsevier
Optical spectra of Fe-like Mo 16+ and Mn-like Mo 17+ ions were measured using the newly
developed low-energy electron-beam ion trap at Fudan University. The observed emission …

Comprehensive screening of plasma-facing Materials for nuclear fusion

A Fedrigucci, N Marzari, P Ricci - PRX Energy, 2024 - APS
Plasma-facing materials (PFMs) represent one of the most significant challenges for the
design of future nuclear fusion reactors. Inside the reactor, the divertor will experience the …

Melt layer erosion during ELM-like heat loading on molybdenum as an alternative plasma-facing material

G Sinclair, JK Tripathi, PK Diwakar, A Hassanein - Scientific Reports, 2017 - nature.com
Transient events that occur during plasma instabilities in fusion reactors impart large heat
fluxes onto the surrounding plasma-facing components (PFCs). Erosion and splashing of …

Surface morphological features of molybdenum irradiated by a single laser pulse

R Montanari, E Pakhomova, R Rossi, M Richetta… - Coatings, 2020 - mdpi.com
Molybdenum (Mo) is considered a plasma facing material alternative to tungsten (W) for
manufacturing the divertor armours of International Thermonuclear Experimental Reactor …

Influence of Nb content on the microstructure and deuterium retention of W–Nb alloys

LM Luo, JB Chen, JS Lin, X Zan, XY Zhu, Q Xu… - Fusion Engineering and …, 2018 - Elsevier
W–Nb alloys were prepared using machine milling and spark plasma sintering. Field–
emission scanning electron microscopy, high–resolution transmission electron microscopy …

Synergistic effects of W–Ta alloys exposed to various ELM-like fusion events

TE Ray, JK Tripathi, A Hassanein - Nuclear Fusion, 2024 - iopscience.iop.org
Recently tungsten alloys have shown capabilities in suppressing morphological changes
when exposed to harsh fusion conditions. Morphological changes due to He+ and D+ ions …

Effect of ELM pacing on morphology evolution and erosion of tungsten as a plasma-facing material in a fusion environment

G Sinclair, S Gonderman, JK Tripathi… - Journal of Nuclear …, 2018 - Elsevier
Mitigation of transient plasma events in a future fusion device is necessary to minimize
thermal damage on surrounding plasma facing components (PFCs). Intense heat loading …

Structural evolution of tungsten surface exposed to sequential low-energy helium ion irradiation and transient heat loading

G Sinclair, JK Tripathi, PK Diwakar, M Wirtz… - Nuclear Materials and …, 2017 - Elsevier
Structural damage due to high flux particle irradiation can result in significant changes to the
thermal strength of the plasma facing component surface (PFC) during off-normal events in a …

Tuning surface porosity on vanadium surface by low energy He+ ion irradiation

JK Tripathi, TJ Novakowski, A Hassanein - Applied Surface Science, 2016 - Elsevier
In the present study, we report on tuning the surface porosity on vanadium surfaces using
high-flux, low-energy He+ ion irradiation as function of sample temperature. Polished, mirror …

[HTML][HTML] Erosion dynamics of tungsten fuzz during ELM-like heat loading

G Sinclair, JK Tripathi, A Hassanein - Journal of Applied Physics, 2018 - pubs.aip.org
Transient heat loading and high-flux particle loading on plasma facing components in fusion
reactors can lead to surface melting and possible erosion. Helium-induced fuzz formation is …