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Impact Features Induced by Single Fast Ions of Different Charge-State on Muscovite Mica
- Source :
- Atoms, Vol 9, Iss 17, p 17 (2021), Atoms, Volume 9, Issue 1, Repositório Institucional da UFRGS, Universidade Federal do Rio Grande do Sul (UFRGS), instacron:UFRGS
- Publication Year :
- 2021
- Publisher :
- MDPI AG, 2021.
-
Abstract
- The influence of the charge state q on surface modifications induced by the impact of individual fast, heavy ions on muscovite mica was investigated. Beams of 593 MeV 197Auq+ with well-defined initial charge states over a relatively broad range of values (30 to 51) and at different irradiation geometries were used. At normal incidence, the impact features are rounded protrusions (hillocks) with ≳20 nm in diameter. At grazing angles, besides the hillocks, craters and elongated tails (up to 350 nm-long) extending along the direction of ion penetration are produced. It is shown that the impact features at normal incidence depend strongly on the initial charge state of the projectiles. This dependence is very weak at grazing angles as the ion reaches the equilibrium charge state closer to the surface. At normal ion incidence, the hillock volume scales with q3.3±0.6. This dependence stems largely from the increase in the hillock height, as a weak dependence of the diameter was observed.
- Subjects :
- Nuclear and High Energy Physics
Materials science
Feixes de íons
mica
02 engineering and technology
engineering.material
01 natural sciences
Molecular physics
ion track
electronic stopping power
Moscovita
Ion
Ion track
Surface modification
Impact crater
Charge state
Mica
0103 physical sciences
lcsh:Nuclear and particle physics. Atomic energy. Radioactivity
Irradiation
010306 general physics
Range (particle radiation)
charge state
Muscovite
021001 nanoscience & nanotechnology
Condensed Matter Physics
Microscopia de varredura por força
scanning force microscopy
Atomic and Molecular Physics, and Optics
Single ion impact
single ion impact
engineering
lcsh:QC770-798
Electronic stopping power
0210 nano-technology
surface modification
Scanning force microscopy
Hillock
Subjects
Details
- Language :
- English
- ISSN :
- 22182004
- Volume :
- 9
- Issue :
- 17
- Database :
- OpenAIRE
- Journal :
- Atoms
- Accession number :
- edsair.doi.dedup.....03b174f4b1aae7e2d820bfc7df54dea3