Abstract
Measured total yields for kinetic electron emission (KE) from the impact of N + ions on clean polycrystalline LiF at impact energies from the KE threshold up to 5 keV have been modelled with the MARLOWE code for projectile transport in monocrystalline LiF. Electron promotion into the continuum in binary collisions of neutralized projectiles with F − target anions was regarded as the principal source of slow electron production in the target bulk. With a simple transport model for these slow electrons, we have calculated total electron yields that are typically a factor of five smaller than the respective experimental data. This discrepancy can probably be removed by regarding additional electron production due to recoiling F − anions and different electron escape conditions for mono- and polycrystalline LiF.
Published Version
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