Hydrogen isotope transport across tungsten surfaces exposed to a fusion relevant He ion fluence

MJ Baldwin, RP Doerner - Nuclear Fusion, 2017 - iopscience.iop.org
Tungsten targets are exposed to controlled sequences of D 2 and He, and He and D 2
plasma in the P isces-A linear plasma device, with a view to studying the outward and …

Possibility of using machine learning methods to reconstruct solid body parameters during laser-induced desorption analysis

AA Stepanenko, DA Kashin, YM Gasparyan - Physica Scripta, 2023 - iopscience.iop.org
The possibility of using machine learning methods for solving the inverse problem of the
laser-induced desorption quadrupole mass-spectrometry (LID-QMS) diagnostic is studied …

Effect of material properties on the laser-induced desorption of hydrogen from tungsten

V Kulagin, Y Gasparyan - Journal of Nuclear Materials, 2023 - Elsevier
One of the priority tasks for sustainable operations of future fusion devices is the systematic
control of hydrogen isotope content in plasma-facing components. A remote non-damaging …

Reduced deuterium retention in simultaneously damaged and annealed tungsten

MJ Simmonds, YQ Wang, JL Barton, MJ Baldwin… - Journal of Nuclear …, 2017 - Elsevier
Deuterium (D) retention in polycrystalline tungsten (W) with copper (Cu) ion damage
concurrently produced at elevated surface temperature is investigated. An in situ heated …

[HTML][HTML] Characterization of helium retention in the inhomogeneous co-deposited layers using a long pulse laser induced ablation-quadrupole mass spectroscopy

Y Lyu, Z He, XY Wang, X Bai, C Li, D Wu, R Hai… - Nuclear Materials and …, 2022 - Elsevier
In this work, a spatially lateral-resolved study of the co-deposition of helium (He) and
aluminum (Al) in non-uniform layers is carried out by a long pulse Laser-Induced Ablation …

The study of the outgassing and retention features of helium in Al co-deposited layers by long-pulse laser combined with quadrupole mass spectroscopy

Y Lyu, Z He, D Wu, C Li, W Chen, C Wang, H Ding - Vacuum, 2024 - Elsevier
In this work, the outgassing and deposition features of helium (He) in Al–He co-deposition
layers have been studied using a long-pulse (τ≈ 750 μs) laser combined with quadrupole …

[HTML][HTML] Deuterium retention behaviors of boronization films at DIII-D divertor surface

S Abe, MJ Simmonds, A Bortolon, F Effenberg… - Nuclear Materials and …, 2024 - Elsevier
Boron coating of plasma-facing components (PFCs) is widely used in fusion devices to form
surface coatings and chemical compounds on the PFCs, thus suppressing plasma …

Isolating the detrapping of deuterium in heavy ion damaged tungsten via partial thermal desorption

MJ Simmonds, T Schwarz-Selinger, JH Yu… - Journal of Nuclear …, 2019 - Elsevier
Abstract Partial Thermal Desorption Spectrometry (pTDS) progressively depopulated
trapped deuterium (D) from heavy-ion damaged tungsten (W) to determine spatial location …

Reduced defect recovery in self-ion damaged W due to simultaneous deuterium exposure during annealing

MJ Simmonds, T Schwarz-Selinger, MI Patino… - Nuclear …, 2022 - iopscience.iop.org
Deuterium (D) plasma exposure during annealing of self-ion damaged tungsten (W) is
shown to exhibit reduced defect recovery when compared to annealing without D plasma …

Deuterium retention in MeV ion-irradiated beryllium

A Založnik, RP Doerner, T Schwarz-Selinger… - Journal of Nuclear …, 2021 - Elsevier
Beryllium, as the material of choice for the ITER first wall, will be subject to high energy
neutrons during the operation of the fusion device. Such irradiation will create displacement …