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A thermalized ion explosion model for high energy sputtering and track resignation

Seiberling, L. E. and Griffith, J. E. and Tombrello, T. A. (1980) A thermalized ion explosion model for high energy sputtering and track resignation. Radiation Effects, 52 (3-4). pp. 201-210. ISSN 0033-7579. doi:10.1080/00337578008210033.

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A velocity spectrum of neutral sputtered particles as well as a low resolution mass spectrum of sputtered molecular ions has been measured for 4.74 MeV ^(19)F^(+2) incident on UF4. The velocity spectrum is dramatically different from spectra taken with low energy (keV) bombarding ions, and is shown to be consistent with a hot plasma of atoms in thermal equilibrium inside the target. We propose a “thermalized ion explosion” model for high energy sputtering which is also expected to describe track formation in dielectric materials. The model is shown to be consistent with the observed total sputtering yield and the dependence of the yield on the primary ionization rate of the incident ion.

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Additional Information:© 1980 Gordon and Breach Science Publishers, Inc. Received: 22 Apr 1980; Published online: 19 Aug 2006. The authors wish to thank W. L. Brown for suggesting that we look for molecular clusters being sputtered from UF_4. Supported in part by the National Aeronautics and Space Administration [NGR 05-002-333], the National Science Foundation [PHY79-23638] and the Department of Energy [EX-76-G-03-1305].
Funding AgencyGrant Number
NASANGR 05-002-333
Department of Energy (DOE)EX-76-G-03-1305
Issue or Number:3-4
Record Number:CaltechAUTHORS:20141031-132356967
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Official Citation:A thermalized ion explosion model for high energy sputtering and track registration L. E. Seiberling, J. E. Griffith, T. A. Tombrello Radiation Effects Vol. 52, Iss. 3-4, 1980
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51133
Deposited On:31 Oct 2014 23:03
Last Modified:10 Nov 2021 19:06

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