A setup for transmission measurements of low energy multiply charged ions through free-standing few atomic layer films


A setup for transmission measurements of low energy multiply charged ions through free-standing few atomic layer films

Smejkal, V.; Gruber, E.; Wilhelm, R. A.; Brandl, L.; Heller, R.; Facsko, S.; Aumayr, F.

We report the design and testing of a setup for transmission measurements of multiply charged ions through free-standing films with a thickness of a few atomic layers. The in- vestigation thereof can yield deeper insight into charge equilibration and pre-equilibrium stopping phenomena which can ultimately be used to specifically tailor and modify these materials.

Keywords: transmission measurements; highly charged ions; ion surface interaction; graphene; carbon nano membranes; ion charge loss; ion energy loss; equilibrium charge state

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