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Title: Radiation-induced modifications in copper oxide growth

Journal Article · · Journal of Radioanalytical and Nuclear Chemistry
ORCiD logo [1];  [2];  [2];  [3];  [4];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); University of Illinois at Chicago
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States). Joint Inst. for Advance Materials Diffraction Facility
  4. Univ. of Tennessee, Knoxville, TN (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Cu samples were irradiated with 10 MeV Au3+ ions at 200 °C to damage levels of 5, 10, and 15 displacements per atom (dpa) as an analogue to study long term self-irradiation effects of alpha- decay in Pu. Samples were then subject to accelerated aging at 350 °C for 1 hour in air resulting in mixed oxide layer growth (Cu2O and CuO). Raman spectroscopy revealed that the CuO phase fraction was gradually decreased as the damage level increased. These findings indicate that accumulated damage from self-irradiation causes quantifiable modifications in metal oxidation that could serve as a novel forensic signature.

Research Organization:
Univ. of Illinois, Chicago, IL (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE); US Dept. of Homeland Security (DHS), Domestic Nuclear Detection Office (DNDO). Academic Research Initiative (ARI); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003975; AC02-06CH11357
OSTI ID:
1724105
Alternate ID(s):
OSTI ID: 1771392; OSTI ID: 1876791; OSTI ID: 22994959
Journal Information:
Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 1 Vol. 327; ISSN 0236-5731
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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