Article ID Journal Published Year Pages File Type
1296497 Solid State Ionics 2011 4 Pages PDF
Abstract

The effects of humidified atmosphere on oxygen surface exchange and diffusion in La2Mo2O9 have been investigated. After annealing samples in D2O vapour, the depth and line scan profiles of the OD- species showed the incorporation of hydroxyl groups on the surface and of diffusion into the bulk. The hydroxyl diffusion process appears to be different from that of oxygen diffusion, and might indicate the existence of ambipolar diffusion of oxide ions and hydroxyl species in La2Mo2O9.

Related Topics
Physical Sciences and Engineering Chemistry Electrochemistry
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