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] Versatile techniques based on the Thermionic Vacuum Arc (TVA) and laser-induced TVA methods for Mg/Mg: X thin films deposition-A review

R Vladoiu, A Mandes, V Dinca, M Tichy… - Journal of Magnesium …, 2024 - Elsevier
Magnesium and magnesium thin alloy films were deposited using a thermionic vacuum arc
(TVA), which has multiple applications in the field of metallic electrodes for diodes and …

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 …

Quartz micro-balance and in situ XPS study of the adsorption and decomposition of ammonia on gold, tungsten, boron, beryllium and stainless steel surfaces

MB Yaala, L Marot, R Steiner, L Moser… - Nuclear …, 2018 - iopscience.iop.org
Gas seeding is often used in tokamaks to reduce the power load onto the divertor target
plates. Nitrogen is the preferred seeding species because of its favourable radiative …

Temperature influence on deuterium retention for Be–W mixed thin films prepared by Thermionic Vacuum Arc method exposed to PISCES B plasma

I Jepu, RP Doerner, MJ Baldwin, C Porosnicu… - Journal of Nuclear …, 2015 - Elsevier
Beryllium–tungsten thin films with well controlled elemental composition were prepared
using Thermionic Vacuum Arc (TVA) technique and subsequently exposed to steady state …

Influence of beryllium carbide formation on deuterium retention and release

C Porosnicu, A Anghel, K Sugiyama, K Krieger… - Journal of nuclear …, 2011 - Elsevier
The inconel cladding tiles of the ITER-like-wall to be tested at JET will be coated by a
beryllium layer. Carbon containing tiles will be also present. These materials are sputtered …

Beryllium thin films deposited by thermionic vacuum arc for nuclear applications

V Tiron, C Porosnicu, P Dinca, IL Velicu, D Cristea… - Applied Surface …, 2019 - Elsevier
The aim of this paper is to investigate the influence of the thermionic vacuum arc (TVA)
operation parameters (arc current, arc voltage and thermo-emission filament current) on the …

[HTML][HTML] Study of deuterium retention in Be-W coatings with distinct roughness profiles

R Mateus, A Hakola, V Tiron, C Porosnicu… - Fusion Engineering and …, 2017 - Elsevier
Three batches of pure beryllium (Be), pure tungsten (W) and mixed Be: W (50: 50) coatings
were deposited by using the thermionic vacuum arc (TVA) technique. Different superficial …

Influence of thermal treatment on beryllium/carbon formation and fuel retention

A Anghel, C Porosnicu, CP Lungu, K Sugiyama… - Journal of nuclear …, 2011 - Elsevier
Since the operation conditions for the nuclear fuel removal in a fusion power plant like ITER
involves wall baking at high temperatures of the plasma facing components–ie 515K for the …

Structure, morphology and deuterium retention and release properties of pure and mixed Be and W layers

P Dinca, B Butoi, C Porosnicu… - Journal of Physics D …, 2020 - iopscience.iop.org
Deuterium retention and release behavior were investigated in this study, for beryllium,
tungsten and mixed beryllium/tungsten thin layers which are of concern for next-generation …