Helium line emission spectroscopy to measure plasma parameters using modeling and machine learning in low-temperature plasmas

S Kajita, D Nishijima - Journal of Physics D: Applied Physics, 2024 - iopscience.iop.org
Helium line emission spectroscopy to measure plasma parameters using modeling and
machine learning in low-temperature plasmas - IOPscience Skip to content IOP Science home …

Simulation of plasma and neutral transport in PISCES-RF using SOLPS-ITER

MDS Islam, JD Lore, A Kumar… - Plasma Physics and …, 2024 - iopscience.iop.org
In this research, the fluid plasma transport code SOLPS-ITER is applied and validated
against experimental data from the PISCES-RF linear plasma device to establish a physics …

Impurity transport in PISCES-RF

G Dhamale, MJ Baldwin, MS Islam… - Plasma Physics and …, 2024 - iopscience.iop.org
Linear plasma devices (LPD) utilizing a helicon plasma source, a high density light ion
source, can generate impurities due to progressive erosion of the radio frequency (RF) …

In-situ ETEM study of plasma-facing tungsten nanofuzz oxidation at atmospheric pressure: Microstructure evolution and substrate-free oxidation kinetics

R Sainju, M Patino, MJ Baldwin, O El Atwani… - Acta Materialia, 2024 - Elsevier
To enable sustainable carbon-free fusion energy, managing reactor structural material
degradation during normal operation as well as accident scenarios is vital. Tungsten (W) …

The dependence of tungsten fuzz layer thickness and porosity on tungsten deposition rate and helium ion fluence

MI Patino, D Nishijima, MJ Baldwin, GR Tynan - Nuclear Fusion, 2023 - iopscience.iop.org
Fuzz formation on a heated tungsten surface in the presence of a helium-containing plasma
and tungsten deposition source was investigated. Tungsten samples were exposed at 1123 …

Deuterium plasma induced preferential erosion in ultra-high temperature ceramics TiB2 and ZrB2

L Nuckols, MJ Baldwin, HM Meyer III, D Nishijima… - Nuclear …, 2024 - iopscience.iop.org
Steady-state deuterium plasma exposures were performed on ultra-high temperature
ceramics titanium diboride (TiB 2) and zirconium diboride (ZrB 2) using the PISCES-RF …

[HTML][HTML] Effect of grain size on defect annealing in displacement-damaged tungsten

A Založnik, D Dellasega, G Alberti, M Passoni… - Nuclear Materials and …, 2024 - Elsevier
Pulsed laser deposition and subsequent thermal treatment were used to create compact
tungsten layers with various grain sizes (1 μ m, 100 nm, and 10 nm). The layers were self …

[HTML][HTML] Observation of tantalum deposition and growth on TiB2 and ZrB2 from PISCES-RF deuterium and helium plasma exposures

L Nuckols, CM Parish, MJ Baldwin, HM Meyer III… - Nuclear Materials and …, 2024 - Elsevier
Deuterium and helium plasma exposures on bulk TiB 2 and ZrB 2 samples were performed
using the PISCES-RF linear plasma device. 40 and 90 eV deuterium ion plasma exposures …

D retention in e-beam powder-bed fused (3-D printed) tungsten exposed to high-flux deuterium plasma in Pisces-RF

MJ Baldwin, H Zhang, A Založnik, MI Patino… - Nuclear Materials and …, 2024 - Elsevier
Tungsten targets produced by the additive manufacturing (AM) method of electron-beam
powder-bed fusion, or 3-D metal printing, are exposed to high flux D plasma in the Pisces …

[HTML][HTML] Utilization of D2 molecular band emission for electron density measurement

D Nishijima, MJ Baldwin, F Chang, D Hwangbo… - Nuclear Materials and …, 2024 - Elsevier
D 2 molecular band emission observed at a wavelength range of λ∼ 557− 643 nm is utilized
to measure electron density, ne, in D plasmas of the PISCES-A and PISCES-RF linear …