Thermionic Vacuum Arc—A versatile technology for thin film deposition and its applications

R Vladoiu, M Tichý, A Mandes, V Dinca, P Kudrna - Coatings, 2020 - mdpi.com
This review summarizes the more-than-25-years of development of the so-called thermionic
vacuum arc (TVA). TVA is an anodic arc discharge in vapors of the material to be deposited; …

[HTML][HTML] Identification of BeO and BeOxDy in melted zones of the JET Be limiter tiles: Raman study using comparison with laboratory samples

M Kumar, C Makepeace, C Pardanaud, Y Ferro… - Nuclear Materials and …, 2018 - Elsevier
Beryllium oxide (BeO) and deuteroxide (BeO x D y) have been found on the melted zone of
a beryllium tile extracted from the upper dump plate of JET-ILW (2011–2012 campaign) …

Experimental study of dynamics and soft X-ray emission of laser produced plasma from low-density foam Ti targets

Y Wu, X Wang, T Ray, A Hassanein - Vacuum, 2023 - Elsevier
Low-density foam targets are expected to be good candidates for efficient laser produced
plasma (LPP) and soft X-ray (SXR) sources due to the less energetic debris compared with …

Thermionic Vacuum Discharges for Thin Film Depositions

I Mustata, C Lungu, I Jepu, C Porosnicu - Coatings, 2023 - mdpi.com
The thermionic vacuum discharge method is very effective in that the films obtained using
this technology are characterised by a very high degree of adhesion, density and purity …

Investigation and plasma cleaning of first mirrors coated with relevant ITER contaminants: beryllium and tungsten

L Moser, RP Doerner, MJ Baldwin, CP Lungu… - Nuclear …, 2017 - iopscience.iop.org
In order to extend the investigation of the plasma cleaning of ITER first mirrors, a set of
molybdenum mirrors was coated in a laboratory with ITER-relevant contaminants, namely …

Microstructural transformation of nanoscale be layers in the Mo/Be and Be/Mo periodic multilayer mirrors investigated by raman spectroscopy

N Kumar, RS Pleshkov, AV Nezhdanov… - The Journal of …, 2021 - ACS Publications
Raman scattering studies were carried out for the investigation of bonding and
microstructural properties of dimensionally confined nanoscale Be layers in the periodic …

[HTML][HTML] Adhesive force distributions for tungsten dust deposited on bulk tungsten and beryllium-coated tungsten surfaces

P Tolias, G Riva, M De Angeli, S Ratynskaia… - Nuclear Materials and …, 2018 - Elsevier
Comprehensive measurements of the adhesive force for tungsten dust adhered to tungsten
surfaces have been performed with the electrostatic detachment method. Monodisperse …

[HTML][HTML] Thermal and chemical stability of the β-W2N nitride phase

R Mateus, MC Sequeira, C Porosnicu, CP Lungu… - Nuclear Materials and …, 2017 - Elsevier
Abstract Pure Be, W and Be: W mixed coatings with nominal compositions of (5: 5) and (1: 9)
were deposited on silicon plates and implanted at room temperature with 30 keV N+ ions …

Influence of gaseous environments on beryllium–tungsten and tungsten surfaces investigated by XPS

A Marin, CP Lungu, C Porosnicu - … of Vacuum Science & Technology A, 2017 - pubs.aip.org
Beryllium–tungsten and tungsten layers were deposited by thermionic vacuum arc
technique in gaseous environments, in order to simulate the plasma–wall phenomena …

Preparing the future post-mortem analysis of beryllium-based JET and ITER samples by multi-wavelengths Raman spectroscopy on implanted Be, and co-deposited …

MI Rusu, C Pardanaud, Y Ferro, G Giacometti… - Nuclear …, 2017 - iopscience.iop.org
This study demonstrates that Raman microscopy is a suitable technique for future post
mortem analyses of JET and ITER plasma facing components. We focus here on laboratory …