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

被引：39
作者：
Canizares, A. [1 ,2 ]
Guimbretiere, G. [1 ,2 ]
Tobon, Y. A. [1 ,2 ]
Raimboux, N. [1 ,2 ]
Omnee, R. [1 ,2 ]
Perdicakis, M. [3 ]
Muzeau, B. [4 ]
Leoni, E. [4 ]
Alam, M. S. [4 ]
Mendes, E. [1 ,2 ,4 ]
Simon, D. [1 ,2 ]
Matzen, G. [1 ,2 ]
Corbel, C. [1 ,2 ,4 ]
Barthe, M. F. [1 ,2 ]
Simon, P. [1 ,2 ]
机构：
[1] CNRS, UPR 3079, F-45071 Orleans 2, France
[2] Univ Orleans, F-45067 Orleans 2, France
[3] Nancy Univ, CNRS, UMR 7564, Lab Chim Phys & Microbiol Environm, F-54600 Villers Les Nancy, France
[4] Ecole Polytech, CNRS, CEA, UMR 7642,Lab Solides Irradies, F-91128 Palaiseau, France
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 2012年 / 43卷 / 10期
关键词：
uranium dioxide; in situ Raman; irradiation; HYDROGEN-PEROXIDE; OXIDATIVE DISSOLUTION; UO2; SPECTROSCOPY; SCATTERING; CORROSION; SPECTRUM; STUDTITE; OXIDES; FUEL;
D O I：
10.1002/jrs.4088
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
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 (c) 2012 John Wiley & Sons, Ltd.
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收藏
页码：1492 / 1497
页数：6
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