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 …

First-principles study on sodium storage properties of beryllium and boron dual-doped graphyne

Q Chen, Y Ma, X Wu, J Dai, Y Song - Surface Science, 2020 - Elsevier
First-principles calculations were performed to study the electronic structure, sodium
adsorption behavior and storage performance of γ-graphyne (GY) and beryllium and boron …

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 …

Absorption and diffusion of beryllium in graphite, beryllium carbide formation investigated by density functional theory

Y Ferro, A Allouche, C Linsmeier - Journal of Applied Physics, 2013 - pubs.aip.org
The formation of beryllium carbide from beryllium and graphite is here investigated. Using
simple models and density functional theory calculations, a mechanism leading to beryllium …

Thermoelectric and vibrational properties of Be 2 C, BeMgC and Mg 2 C using first-principles method

V Maurya, U Paliwal, G Sharma, KB Joshi - RSC advances, 2019 - pubs.rsc.org
Transport coefficients are calculated combining first-principles calculations with the
Boltzmann transport theory. Electronic states obtained in terms of the k-space eigen …

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 …

Analysis and removal of ITER relevant materials and deposits by laser ablation

Q Xiao, A Huber, V Philipps, G Sergienko… - Journal of nuclear …, 2014 - Elsevier
The analysis of the deposition of eroded wall material on the plasma-facing materials in
fusion devices is one of the crucial issues to maintain the plasma performance and to fulfill …

Formation and delamination of beryllium carbide films

R Mateus, PA Carvalho, N Franco, LC Alves… - Journal of Nuclear …, 2013 - Elsevier
Impurities generated by erosion of different plasma facing components will be transported by
the plasma and re-deposited elsewhere, as in the main wall or in the divertor modules of …

Beryllium carbide as diffusion barrier against Cu: First-principles study

HL Cao, XL Cheng, H Zhang - Chinese Physics B, 2020 - iopscience.iop.org
Beryllium carbide is used in inertial confinement fusion (ICF) capsule ablation material due
to its low atomic number, low opacity, and high melting point properties. We used the …

Structural, Compositional, and Mechanical Characterization of WxCryFe1−x−y Layers Relevant to Nuclear Fusion, Obtained with TVA Technology

M Lungu, I Porosnicu, P Dinca, A Velea, F Baiasu… - Materials, 2019 - mdpi.com
Reduced activation ferritic and martensitic steel like EUROFER (9Cr-1W) are considered as
potential structural materials for the first wall of the future next-generation DEMOnstration …