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Air exposure and sample storage time influence on hydrogen release from tungsten
Abstract In investigations of hydrogen retention in first wall components the influence of the conditions of the implanted target storage prior to analysis and the storage time is often neglected.Expand
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The ion-driven permeation experiment PERMEX.
A new installation PERMEX for the investigation of ion-driven permeation through metals was designed and built. A metal membrane under investigation separates two high-vacuum chambers. In theExpand
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Hydrogen Retention In Plasma-Sprayed Tungsten
Deuterium retention in plasma‐sprayed tungsten (PSW) was investigated by means of the thermodesorption technique. The material was irradiated by deuterium ions with energies of 200 eV and 3 keV perExpand
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Hybrid fusion–fission reactor with a thorium blanket: Its potential in the fuel cycle of nuclear reactors
Discussions are currently going on as to whether it is suitable to employ thorium in the nuclear fuel cycle. This work demonstrates that the 231Pa–232U–233U–Th composition to be produced in theExpand
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Steady-state operation in compact tokamaks with copper coils
This paper considers a fast track to non-energy applications of nuclear fusion that is associated with the 'fusion for neutrons' (F4N) paradigm. Being a useful product accompanying energy, fusionExpand
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Erosion of PFC materials induced by poroelectron emission
The main features of the poroelectron emission (PEE) in high vacuum conditions are briefly described. It is shown that current densities from negative gas saturated electrode can reach A/m 2 atExpand
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Ion-induced effects on ion-driven deuterium permeation through niobium membrane
Abstract The permeation behavior of deuterium has been investigated for deuterium implanted into Nb membrane. Increase of the steady state permeation rate was observed at the simultaneous bombardmentExpand
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Low energy hydrogen and helium ions backscattering from surfaces with structure
Abstract Experimental investigations have been undertaken of angular and energy distributions for 0.05–1.5 keV hydrogen ions backscattering from tungsten targets with different surface structure.Expand
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Investigations of high-energy electrons of the microwave discharge plasma at configuration of the “Magnetor” Bi-dipole magnetic confinement system by X-ray radiation analyses
The results of the investigations of a group of fast electrons in a microwave discharge plasma in the “Magnetor” magnetic trap are presented. The data on the presence and location of this group ofExpand
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Influence of thin dielectric layers on electron emission and plasma-surface contact stability
Results from the microscopic analysis of dielectric films on the surfaces of plasma-faced electrodes are presented. It is shown that thin films of 4–10 nm can cause unstable current flows that leadExpand
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