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

We used a combination of ion cascades and the unified thermal spike model to study the electronic effects from 800‚ÄČkeV 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.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
  2. Centre interdisciplinaire de recherche sur les Ions, les Matriaux et la Photonique (CIMAP), CEA-CNRS-ENSICAEN-University of Caen, 14070 Caen (France)
  3. Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996 (United States)
  4. (United States)
Publication Date:
OSTI Identifier:
22486300
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 107; Journal Issue: 26; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; AMORPHOUS STATE; DAMAGE; ELECTRON-PHONON COUPLING; ENERGY LOSSES; FRICTION; IRRADIATION; KEV RANGE 100-1000; THERMAL SPIKES; XENON IONS; ZIRCON