Rough surface sputtering Sample Clauses

Rough surface sputtering. This year, the investigation the erosion of rough surface under ion beam bombardment has been continued. The total erosion yield of the Si pitch grating exposed to 6 keV Ar ion beam has been measured using Rutherford back-scattering analysis and these experimental data have been compared to results of the simulation using SDTrimSP-2D code. The numerical simulations show reasonable agreement with experimental results. The new area of investigation has been entered with development of the steady-state high-flux Falcon ion source. This ion source is a versatile, compact, affordable, and highly functional in the research field of the fusion materials. The reversed magnetic field configuration of the source allows precise focusing of the ion beam into small spot of ≈3 mm and also provides the limited capabilities for impurity mass-separation. As the result, the source generates steady-state ion beam, which irradiates surface with high heat (0.3 – 21 MW m−2) and particle fluxes (4 × 1021 – 3 × 1023 m−2s−1), which approaches the upper limit for the flux range expected in ITER. The results of this research were published:
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