Ion-Beam-Induced Surface Instability of Glassy FN
- 20 March 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 74 (12) , 2256-2259
- https://doi.org/10.1103/physrevlett.74.2256
Abstract
Depending on the angle of incidence , implantation of fast heavy ions into amorphous FN leads to drastic surface smoothing ( ) or surface roughening ( ) when fluences between 1 and 1 ions/c are applied. Both effects proceed without detectable mass loss. Prior to roughening, rather regular undulations appear with wavelengths between 20 and 30 μm. It is argued that the observed surface instability is a consequence of an ion-induced shear flow which presumably occurs in all amorphous materials.
Keywords
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