The Raman fingerprint of plutonium dioxide: Some example applications for the detection of PuO2 in host matrices

Some example applications are presented, in which the peculiar Raman fingerprint of PuO2 can be used for the detection of crystalline Pu4+ with cubic symmetry in an oxide environment in various host materials, like mixed oxide fuels, inert matrices and corium sub-systems. The PuO2 Raman fingerprint...

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Bibliographic Details
Published in:Journal of nuclear materials 2018-02, Vol.499, p.268-271
Main Authors: Manara, D., Naji, M., Mastromarino, S., Elorrieta, J.M., Magnani, N., Martel, L., Colle, J.-Y.
Format: Article
Language:English
Subjects:
Nuclear materials
Plutonium dioxide
Raman spectroscopy
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Summary:Some example applications are presented, in which the peculiar Raman fingerprint of PuO2 can be used for the detection of crystalline Pu4+ with cubic symmetry in an oxide environment in various host materials, like mixed oxide fuels, inert matrices and corium sub-systems. The PuO2 Raman fingerprint was previously observed to consist of one main T2g vibrational mode at 478 cm−1 and two crystal electric field transition lines at 2130 cm−1 and 2610 cm−1. This particular use of Raman spectroscopy is promising for applications in nuclear waste management, safety and safeguard. •The Raman fingerprint of PuO2 is presented and discussed.•It can be used for the detection of PuO2 in various environments.•Several applications are identified.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2017.11.042