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Collision Cascades, Ionization, Spikes And Energy Transfer

Published online by Cambridge University Press:  26 February 2011

W. L. Brown*
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
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Abstract

The collisions of an individual energetic ion in a solid set atoms of the solid in motion and excite electronic states. The moving atoms collide with others to form a collision cascade and the electronic excitation also forms a branched trail around the track of the ion. If the densities of the energy deposition in either of these modes is high the result is called a “spike”. The low density regimes of collision and ionization cascades and evidence for the transition to non-linear high density spikes are summarized. The understanding of the latter is still quite incomplete as is also understanding of the transfer of energy between the kinetic and the electronic modes, particularly at high energy densities.

Type
Research Article
Copyright
Copyright © Materials Research Society 1985

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References

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