Titlebook: Mass Transport Phenomena in Ceramics; A. R. Cooper,A. H. Heuer Book 1975 Springer Science+Business Media New York 1975 ceramics.crystal.ox

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Concentration Dependent Diffusion of H+ in TiO2: Analysis of Electronic Effects in Ionic Diffusionnt) is also analyzed; it is shown that such an experiment virtually eliminates the effects of internal fields if the two species are more or less chemically equivalent, making it possible to determine accurately the field-free diffusion parameters. Detailed calculations for both single ion diffusion

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Non-Random Diffusion in Ionic Crystalsity drift-mobility when diffusion occurs via divacancies moving on one of the sub-lattices in the NaCl structure are summarized. Extensions of the simple equations derived here to more complex situations are discussed.

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The Thermodynamics of Diffusion Controlled Metamorphic Processesand can be calculated if the composition of the minerals and the ratios of phenomenological coefficients are known. Determination of the applicable diffusion coefficients is a vitally important problem.

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Microstructural Aspects of Optimized Ion-Conduction in Solidsfor example channels. Important differences occur due to the different dimensionality or branching of the channels. The function of rigid framework structures is to maintain the void space necessary for diffusion. In other materials the vibrations of non-diffusing parts of the lattice might interfere with the ion transport.

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