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R.G. St-Jacques

Researcher at Université du Québec

Publications -  6
Citations -  104

R.G. St-Jacques is an academic researcher from Université du Québec. The author has contributed to research in topics: Blisters & Copper. The author has an hindex of 5, co-authored 6 publications receiving 104 citations.

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Preliminary observations of blistering of niobium by 1–15 keV helium ions

TL;DR: In this article, at room temperature polycrystalline targets of cold-rolled Marz grade niobium with beams of helium ions of 1, 5, 10 and 15 keV at doses varying from 0.1 to 10.0 C/cm 2.
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Measurement of the depth distribution of light impurities in first-wall materials: He in Nb

TL;DR: In this paper, the authors measured the concentrations and depth profiles of implanted helium in niobium by a method demonstrated previously with hydrogen and lithium in copper, and they showed that a mechanism of helium loss starts operating at a dose ⩽0.16 C/cm2, i.e. before the bursting of blisters (if they burst at all), and it is most effective near the surface.
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Dose rate and temperature effects on blistering phenomena in helium bombarded niobium

TL;DR: In this paper, a high dose rate of 3-5 mA/cm 2 was used to find the energy and temperature dependance of the blistering cut-off effect.