However, if the layer of
tracer atoms is very thin, the concentration gradient
will be small and will rapidly become smaller as diffusion
takes place, and in these circumstances D ,
the tracer diffusion coefficient, will be very similar
to the self-diffusion coefficient, Ds.
However, if the layer oftracer atoms is very thin, the concentration gradientwill be small and will rapidly become smaller as diffusiontakes place, and in these circumstances D ,the tracer diffusion coefficient, will be very similarto the self-diffusion coefficient, Ds.
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