The influence of Gd2O3 doping on the electrochemical reactivity of uranium dioxide (UO2)
36th Annual CNS-CNA Student Conference - 2012 June 12


Presented at:
36th Annual CNS-CNA Student Conference
2012 June 12
Location:
Saskatoon, Canada
Session Title:
CNS/CNA Student Conference 2012

Authors:
Mayuri Razdan (University of Western Ontario )
David Shoesmith (University of Western Ontario )
  

Abstract

The influence of a trivalent dopant, Gd3+ (6 atom %) on the structure, surface morphology and electrochemical reactivity of uranium dioxide was studied using Raman spectroscopy, scanning electron microscopy (SEM)/Energy-dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS) and cyclic voltammetry. The results show that the electrodes are uniformly doped and the redox behaviour demonstrates that doping to this level stabilizes the cubic fluorite structure of UO2 against anodic oxidation/dissolution.

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