Abstract

The model used by Briggs and Pathak to calculate the electronic energy loss of low-velocity channeled heavy ions has been explored further to study the velocity dependence of ${Z}_{1}$ oscillations in electronic stopping power. For increasing ion velocities, where the validity of neglecting the target-electron velocities increases, it is found that the magnitude of ${Z}_{1}$ oscillations decreases and by about 2-a.u. velocity the first maxima at ${Z}_{1}=6$ and the first minima at ${Z}_{1}=10$ are washed out completely.

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