Cluster and velocity effects on yields and kinetic energy distributions of Li+ desorbed from LiF.
作者： J. A. M. Pereira , E. F. da Silveira
DOI: 10.1103/PHYSREVLETT.84.5904
关键词:
摘要: MeV N+ and N2+ ions were used to induce Li+ desorption from LiF. The contributions due elastic atomic collisions electronic excitation processes the sputtering yield could be unambiguously separated. In case of ions, a enhancement, i.e., Y(N2+)>2Y(N+), was found only for process. maximum observed in projectile velocity range where energy loss still increases. These results are simultaneously explained using radial distribution deposited rather than loss.
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