Abstract
The mullite structure is a model silicate system from the point of view of (geo-)materials science. Available oxygen diffusivity data for 3/2 and 2/1 (alumina/silica) mullite single crystals are jointly discussed together with the oxygen diffusion data in other generic oxides in terms of empirical correlations. Oxygen vacancies are identified as the majority defects responsible for oxygen transport in both mullite materials.
Published Version
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