Abstract
Due to excess charge of the solute with respect to solvent, the free energy of vacancy formation and migration in the neighbourhood of the solute will change. This results in a change in the solvent diffusivity. A relation for the solute vacancy binding energy for fcc and bcc lattices using enhancement factor has been derived considering the solute vacancy interactions to be limited to first neighbour and neglecting the changes in the solvent correlation factor.
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Pruthi, D.D. Calculation of solute-vacancy binding energy in dilute fcc and bcc alloys by diffusion. Bull. Mater. Sci. 7, 43–49 (1985). https://doi.org/10.1007/BF02744257
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DOI: https://doi.org/10.1007/BF02744257