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Energy spectrum of sputtered uranium—a new technique

Weller, R. A. and Tombrello, T. A. (1978) Energy spectrum of sputtered uranium—a new technique. Radiation Effects, 37 (1-2). pp. 83-92. ISSN 0033-7579. doi:10.1080/00337577808242090.

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The fission track technique for detecting ^(235)U has been used in conjunction with a mechanical time-of-flight spectrometer in order to measure the energy spectrum in the region 1 eV to 1 keV of material sputtered from a 93% enriched ^(235)U foil by 80 keV^(40)Ar+ ions. The spectrum was found to exhibit a peak in the region 2–4 eV and to decrease approximately as E^(–1.77) for E ≳ 100 eV. The design, construction and resolution of the mechanical spectrometer are discussed and comparisons are made between the data and the predictions of the random collision cascade model of sputtering.

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Additional Information:© 1978 Gordon and Breach Science Publishers Ltd. Received October 11, 1977; in final form January 2, 1978. Supported in part by the National Science Foundation [PHY76-83685) the National Aeronautics and Space Administration [NGR 05-002-333), and the Energy Research and Development Administration [EX-76-G-03-1305). The authors wish to thank D.S. Burnett, J.E. Griffith, R. Gregg and S. Streight for many useful discussions during the course of this work and also to express appreciation to F. Meulemans, W. Schick, and D. Wasserburg who aided in the apparatus construction and data taking.
Funding AgencyGrant Number
NSFPHY 76-83685
NASANGR 05-002-333
Department of Energy (DOE)EX-76-G-03-1305
Issue or Number:1-2
Record Number:CaltechAUTHORS:20150728-105150890
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59035
Deposited By: Tony Diaz
Deposited On:28 Jul 2015 18:06
Last Modified:10 Nov 2021 22:13

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