Table 1 Critical velocities \(v_c\) for surface modification induced by \(\hbox {Xe}^{q+}\) ions impacting a gold surface at incidence angles \(\Phi _{in}=\pi /2,3\pi /8\) and \(\Phi _{in}=\pi /4\).
q | 20 | 25 | 30 | 35 | 40 | 45 |
|---|---|---|---|---|---|---|
\(\phi _{in}=\pi /2\) | ||||||
\(v_c\) (a.u.) | 0.03 | 0.08 | 0.17 | 0.22 | 0.23 | 0.26 |
\(\phi _{in}=3\pi /8\) | ||||||
\(v_c\) (a.u.) | 0.03 | 0.065 | 0.16 | 0.24 | 0.25 | 0.28 |
\(\phi _{in}=\pi /4\) | ||||||
\(v_c\) (a.u.) | 0.02 | 0.05 | 0.12 | 0.25 | 0.31 | 0.33 |
