Nanoscale Spatially Resolved Mapping of Uranium Enrichment.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
23 Aug 2019
Historique:
received: 08 02 2019
accepted: 02 08 2019
entrez: 25 8 2019
pubmed: 25 8 2019
medline: 25 8 2019
Statut: epublish

Résumé

Spatially resolved analysis of uranium (U) isotopes in small volumes of actinide-bearing materials is critical for a variety of technical disciplines, including earth and planetary sciences, environmental monitoring, bioremediation, and the nuclear fuel cycle. However, achieving subnanometer-scale spatial resolution for such isotopic analysis is currently a challenge. By using atom probe tomography-a three-dimensional nanoscale characterisation technique-we demonstrate unprecedented nanoscale mapping of U isotopic enrichment with high sensitivity across various microstructural interfaces within small volumes (~100 nm

Identifiants

pubmed: 31444370
doi: 10.1038/s41598-019-48479-5
pii: 10.1038/s41598-019-48479-5
pmc: PMC6707289
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

12302

Subventions

Organisme : DOE | National Nuclear Security Administration (NNSA)
ID : DE-AC05-76RL01830
Organisme : DOE | National Nuclear Security Administration (NNSA)
ID : DE-AC05-76RL01830
Organisme : DOE | National Nuclear Security Administration (NNSA)
ID : DE-AC05-76RL01830
Organisme : DOE | National Nuclear Security Administration (NNSA)
ID : DE-AC05-76RL01830
Organisme : DOE | National Nuclear Security Administration (NNSA)
ID : DE-AC05-76RL01830

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Auteurs

Elizabeth Kautz (E)

National Security Directorate, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA, 99354, United States.

Douglas Burkes (D)

National Security Directorate, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA, 99354, United States.

Vineet Joshi (V)

Energy and Environment Directorate, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA, 99354, United States.

Curt Lavender (C)

Energy and Environment Directorate, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA, 99354, United States.

Arun Devaraj (A)

Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA, 99354, United States. arun.devaraj@pnnl.gov.

Classifications MeSH