In situ Raman estimation of irradiation-induced heating of UO2

In situ Raman estimation of irradiation-induced heating of UO2

We present an in situ Raman estimation of the temperature increase of UO2 pellets induced by cyclotron He2+ ionic irradiation in different environments (Ar gas or water): For instance, in the Ar gas environment, the sample is heated to a temperature 150–200 °C (i.e., below the annealing temperature...

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Veröffentlicht in:Journal of nuclear materials 2016-09, Vol.478, p.172-175
Hauptverfasser: Guimbretière, G., Canizarès, A., Desgranges, L., Caraballo, R., Duval, F., Jegou, C., Magnin, M., Simon, P.
Format: Artikel
Sprache:eng
Schlagworte:
Chemical Sciences
Material chemistry
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Zusammenfassung:We present an in situ Raman estimation of the temperature increase of UO2 pellets induced by cyclotron He2+ ionic irradiation in different environments (Ar gas or water): For instance, in the Ar gas environment, the sample is heated to a temperature 150–200 °C (i.e., below the annealing temperature of UO2 defects). For water, the sample is heated from 30 to 80 °C, just below the range of the studtite/metastudtite and the schoepite/metaschoepite transitions.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2016.06.005