Reference : Trails of Kilovolt Ions Created by Subsurface Channeling
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/32477
Trails of Kilovolt Ions Created by Subsurface Channeling
English
Redinger, Alex mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit]
Standop, Sebastian [> >]
Michely, Thomas [> >]
Yudi, Rosandi [> >]
Urbassek, Herbert M. [> >]
2010
PHYSICAL REVIEW LETTERS
104
7
Yes (verified by ORBilu)
International
0031-9007
[en] Using scanning tunneling microscopy, we observe the damage trails produced by keV noble-gas ions incident at glancing angles onto Pt(111). Surface vacancies and adatoms aligned along the ion trajectory constitute the ion trails. Atomistic simulations reveal that these straight trails are produced by nuclear (elastic) collisions with surface layer atoms during subsurface channeling of the projectiles. In a small energy window around 5 keV, Xe(+) ions create vacancy grooves that mark the ion trajectory with atomic precision. The asymmetry of the adatom production on the two sides of the projectile path is traced back to the asymmetry of the ion's subsurface channel.
http://hdl.handle.net/10993/32477
10.1103/PhysRevLett.104.075501

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