In situ Raman monitoring of materials under irradiation: Study of uranium dioxide alteration by water radiolysis Article

Canizarès, A, Guimbretière, G, Tobon, YA et al. (2012). In situ Raman monitoring of materials under irradiation: Study of uranium dioxide alteration by water radiolysis . JOURNAL OF RAMAN SPECTROSCOPY, 43(10), 1492-1497. 10.1002/jrs.4088

cited authors

  • Canizarès, A; Guimbretière, G; Tobon, YA; Raimboux, N; Omnée, R; Perdicakis, M; Muzeau, B; Leoni, E; Alam, MS; Mendes, E; Simon, D; Matzen, G; Corbel, C; Barthe, MF; Simon, P

authors

abstract

  • In situ Raman scattering studies allow following real-time evolutions of volume or surface structures under extreme conditions. In nuclear materials sciences, ion irradiation-induced atomic organization modification and water radiolysis are of a major interest. In order to better understand these phenomena, we have developed an in situ versatile portable Raman spectroscopy system coupled with a cyclotron accelerator, allowing monitoring of a solid/liquid interface under irradiation and thus giving access to effects of radiolysis. The different parts of the system and their improvements are described in details. The system efficiency is highlighted by a comparative study of the time dependence of UO2 surface modification induced, on one hand by contact with water under irradiation by 5 MeV He2+ particles, and on the other hand by pure chemical alteration, through contact with a hydrogen peroxide solution. Copyright © 2012 John Wiley & Sons, Ltd.

publication date

  • January 1, 2012

published in

Digital Object Identifier (DOI)

start page

  • 1492

end page

  • 1497

volume

  • 43

issue

  • 10