Tombrello, T. A. (1995) Cluster-solid interactions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 99 (1-4). pp. 225-228. ISSN 0168-583X. doi:10.1016/0168-583X(94)00698-9. https://resolver.caltech.edu/CaltechAUTHORS:20141020-100705060
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Abstract
It is expected that during the impact of a cluster ion with a surface the interactions among the participating atoms will create transient conditions that are more extreme than those found for the impacts of individual atoms. At energies of keV per atom molecular dynamics simulations suggest a variety of experimental observations that may provide diagnostic information about the impact. Among the phenomena predicted are: an enhanced probability for the rebound (“splash”) of energetic atoms from the projectile; the emission of sharp-line Auger electrons well below their kinematic threshold due to collisions among the moving atoms; the existence of highly excited rebounding projectile fragments that decay by thermionic electron emission and fragmentation/fission. MeV cluster beams (e.g., C_n^+, Au_n^+) are now available, which also offer a potentially rich variety of new phenomena. For them the cooperative effect of the associated atoms in the cluster for electronic excitation and nuclear recoil may produce extreme conditions both at the point of impact and along the cluster “track” in the target. This talk will review to what extent such effects have been observed already, the optimum choices for future experiments, and the relation of the observations to the conditions during the cluster impact.
Item Type: | Article | |||||||||
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Additional Information: | © 1995 Elsevier Science B.V. Supported in part by the National Science Foundation [DMR93-18931]. | |||||||||
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Issue or Number: | 1-4 | |||||||||
DOI: | 10.1016/0168-583X(94)00698-9 | |||||||||
Record Number: | CaltechAUTHORS:20141020-100705060 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20141020-100705060 | |||||||||
Official Citation: | T.A. Tombrello, Cluster—solid interactions, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 99, Issues 1–4, 5 May 1995, Pages 225-228, ISSN 0168-583X, http://dx.doi.org/10.1016/0168-583X(94)00698-9. (http://www.sciencedirect.com/science/article/pii/0168583X94006989) | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 50540 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Tony Diaz | |||||||||
Deposited On: | 20 Oct 2014 17:15 | |||||||||
Last Modified: | 10 Nov 2021 18:57 |
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