Development of advanced high heat flux and plasma-facing materials

C Linsmeier, M Rieth, J Aktaa, T Chikada… - Nuclear …, 2017 - iopscience.iop.org
Plasma-facing materials and components in a fusion reactor are the interface between the
plasma and the material part. The operational conditions in this environment are probably …

Discovery, nuclear properties, synthesis and applications of technetium-101

EV Johnstone, N Mayordomo, EJ Mausolf - Communications Chemistry, 2022 - nature.com
Abstract Technetium-101 (101Tc) has been poorly studied in comparison with other Tc
isotopes, although it was first identified over~ 80 years ago shortly after the discovery of the …

He-ion induced surface morphology change and nanofuzz growth on hot tungsten surfaces

FW Meyer - Journal of Physics B: Atomic, Molecular and Optical …, 2018 - iopscience.iop.org
Tungsten has been recently chosen as the divertor material in ITER and is a leading
candidate for use in DEMO and future fusion reactors. Linear plasma device and laboratory …

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 …

Refractory metals as structural materials for fusion high heat flux components

D Hancock, D Homfray, M Porton, I Todd… - Journal of Nuclear …, 2018 - Elsevier
Tungsten is the favoured armour material for plasma facing components for future fusion
reactors, but studies examining the use of tungsten or other refractory metals in the …

An approach of stand-off measuring hardness of tungsten heavy alloys using LIBS

H Sattar, H Ran, W Ding, M Imran, M Amir, H Ding - Applied Physics B, 2020 - Springer
Surface hardness and microstructural properties are important parameters of plasma-facing
material and play a key role in long pulse operation of fusion reactor. Nowadays, nuclear …

Field emission from metal surfaces irradiated with helium plasmas

D Hwangbo, S Kajita, N Ohno… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Field electron emission from metal (tungsten, molybdenum, and tantalum) surfaces with
different surface morphology was measured. Fuzz and loop samples had small increment in …

Revealing the Effects of Strain and Alloying on Primary Irradiation Defects Evolution in Tantalum Through Atomistic Simulations

MB Salman, M Park, MJ Banisalman - Metals and Materials International, 2023 - Springer
In this study, we employed molecular dynamics simulations to explore the influence of strain
on primary defect formation and interstitial dislocation loop (IDL) development in pure …

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 …

Effect of high-flux, low-energy He+ ion irradiation on Ta as a plasma-facing material

TJ Novakowski, JK Tripathi, A Hassanein - Scientific reports, 2016 - nature.com
The goal of this work is to assess Ta as a potential plasma-facing material for future fusion
reactors in terms of its response to high-flux, low-energy He+ ion irradiation. Ta samples …