Oxygen transport in perovskite and related oxides: a brief review

Chroneos, A.; Vovk, R. V.; Goulatis, I. L. and Goulatis, L. I. (2010). Oxygen transport in perovskite and related oxides: a brief review. Journal of Alloys and Compounds, 494(1-2) pp. 190–195.

DOI: https://doi.org/10.1016/j.jallcom.2010.01.071

URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

Perovskites and related oxides are a very important class of functional materials that exhibit a range of stoichiometries and crystal structures. The oxygen diffusion mechanisms and activation energies in these materials are highly influenced by the composition, stoichiometry and crystal structure. We review the significance of a range perovskite related oxides but focus on two characteristic materials: La₂NiO_4+δ and LnBa₂Cu₃O_7-δ (where Ln = rare-earth cations). La₂NiO_4+δ is considered as a cathode material for solid-oxide fuel cells, whereas LnBa₂Cu₃O_7-δ is the archetypal superconducting oxides.

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