Rainbows in Energy- and Angle-Resolved Ion Scattering from Surfaces

11 June 1984

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 52 (24) , 2183-2186
https://doi.org/10.1103/physrevlett.52.2183

Abstract

The angular and energy distributions of

K^{+}

ions scattered at normal incidence with an initial energy of 35 eV on a W(110) surface were measured for various crystal orientations. The complex distributions show rainbows which are due both to extrema in the deflection functions for the two scattering angles as well as to an extremum in the final energy as a function of the impact parameter. With use of computer simulations with a nonadditive model potential all observed structures can be explained.

Keywords

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