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Dependence of the recoil energy on crystallographic directions under bombardment of a mono-crystal by slow ions
Evstifeev V. V.1, Kostina N.V.
1
1Penza State University, Penza, Russia
Email: v-evst1939@yandex.ru, kostina612@gmail.com
Calculations of the recoil energy under bombardment of the surface edge (001) for the vanadium mono-crystal by K+ ions (E_0=10-50 eV) with the initial motion trajectories lying in planes perpendicular to the plane (001) and parallel to the planes (100) and (110), passing along the crystallographic directions [010] and [110], respectively, have been made by the method of molecular dynamics using a long-range interaction potential. Anisotropy of maximum energy transfer to one of the group of (3-5) atoms simultaneously participating in the interaction, depending on the ion motion trajectory, has been revealed. The energy spray thresholds for specified directions have been determined Keywords: ion bombardment, single crystal, crystallographic directions, recoil energy, sputtering thresholds.
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