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Title: Relationships between experimental signatures and processing history for a variety of PuO 2 materials

Abstract

The primary oxide of plutonium, PuO 2, is a complex material due to ongoing change in lattice structure resulting from radioactive alpha decay. In addition, the element plutonium is complex, existing in various allotropes, which can influence formation of oxides due to different nucleation and growth mechanisms. The juxtaposition of these unique properties, along with formation conditions of the initial oxide, makes for PuO 2 materials with a wide variety of local and bulk experimental signatures. This work measures these signatures with X-ray diffraction and Raman spectroscopy from five different oxide materials, and relates these signatures to specific PuO 2 production and aging routes. Furthermore this information is of potential use in nuclear fuels processing and production, nuclear non-proliferation, forensics analyses, and interplanetary power sources.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
U.S. Department of Homeland Security; USDOE
OSTI Identifier:
1512748
Report Number(s):
LA-UR-19-20887
Journal ID: ISSN 0022-3115
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 521; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY

Citation Formats

Scott, Brian Lindley, Pugmire, Alison Leslie, Stritzinger, Jared Tyler, Veirs, Douglas Kirk, Wolfsberg, Laura Evon, and Wilkerson, Marianne Perry. Relationships between experimental signatures and processing history for a variety of PuO2 materials. United States: N. p., 2019. Web. doi:10.1016/j.jnucmat.2019.04.036.
Scott, Brian Lindley, Pugmire, Alison Leslie, Stritzinger, Jared Tyler, Veirs, Douglas Kirk, Wolfsberg, Laura Evon, & Wilkerson, Marianne Perry. Relationships between experimental signatures and processing history for a variety of PuO2 materials. United States. doi:10.1016/j.jnucmat.2019.04.036.
Scott, Brian Lindley, Pugmire, Alison Leslie, Stritzinger, Jared Tyler, Veirs, Douglas Kirk, Wolfsberg, Laura Evon, and Wilkerson, Marianne Perry. Fri . "Relationships between experimental signatures and processing history for a variety of PuO2 materials". United States. doi:10.1016/j.jnucmat.2019.04.036.
@article{osti_1512748,
title = {Relationships between experimental signatures and processing history for a variety of PuO2 materials},
author = {Scott, Brian Lindley and Pugmire, Alison Leslie and Stritzinger, Jared Tyler and Veirs, Douglas Kirk and Wolfsberg, Laura Evon and Wilkerson, Marianne Perry},
abstractNote = {The primary oxide of plutonium, PuO2, is a complex material due to ongoing change in lattice structure resulting from radioactive alpha decay. In addition, the element plutonium is complex, existing in various allotropes, which can influence formation of oxides due to different nucleation and growth mechanisms. The juxtaposition of these unique properties, along with formation conditions of the initial oxide, makes for PuO2 materials with a wide variety of local and bulk experimental signatures. This work measures these signatures with X-ray diffraction and Raman spectroscopy from five different oxide materials, and relates these signatures to specific PuO2 production and aging routes. Furthermore this information is of potential use in nuclear fuels processing and production, nuclear non-proliferation, forensics analyses, and interplanetary power sources.},
doi = {10.1016/j.jnucmat.2019.04.036},
journal = {Journal of Nuclear Materials},
number = C,
volume = 521,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
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This content will become publicly available on April 26, 2020
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