Additive effects of electronic and nuclear energy losses in irradiation-induced amorphization of zircon

Eva Zarkadoula; Marcel Toulemonde; William J. Weber

doi:10.1063/1.4939110

Additive effects of electronic and nuclear energy losses in irradiation-induced amorphization of zircon

Eva Zarkadoula, Marcel Toulemonde, William J. Weber

Nanomaterials Theory Institute

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

We used a combination of ion cascades and the unified thermal spike model to study the electronic effects from 800 keV Kr and Xe ion irradiation in zircon. We compared the damage production for four cases: (a) due to ion cascades alone, (b) due to ion cascades with the electronic energy loss activated as a friction term, (c) due to the thermal spike from the combined electronic and nuclear energy losses, and (d) due to ion cascades with electronic stopping and the electron-phonon interactions superimposed. We found that taking the electronic energy loss out as a friction term results in reduced damage, while the electronic electron-phonon interactions have additive impact on the final damage created per ion.

Original language	English
Article number	261902
Journal	Applied Physics Letters
Volume	107
Issue number	26
DOIs	https://doi.org/10.1063/1.4939110
State	Published - Dec 28 2015

Funding

This work was supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. This research used resources of the National Energy Research Scientific Computing Center, supported by the Office of Science, U.S. Department of Energy under Contract No. DEAC02-05CH11231. This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

Funders	Funder number
DOE Public Access Plan
National Energy Research Scientific Computing Center	DEAC02-05CH11231
UT-Battelle	DE-AC05-00OR22725
United States Government
U.S. Department of Energy
Office of Science
Basic Energy Sciences

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abstract = "We used a combination of ion cascades and the unified thermal spike model to study the electronic effects from 800 keV Kr and Xe ion irradiation in zircon. We compared the damage production for four cases: (a) due to ion cascades alone, (b) due to ion cascades with the electronic energy loss activated as a friction term, (c) due to the thermal spike from the combined electronic and nuclear energy losses, and (d) due to ion cascades with electronic stopping and the electron-phonon interactions superimposed. We found that taking the electronic energy loss out as a friction term results in reduced damage, while the electronic electron-phonon interactions have additive impact on the final damage created per ion.",

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Additive effects of electronic and nuclear energy losses in irradiation-induced amorphization of zircon

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