Lecture 5: Diffusion Coefficient (Diffusivity)
inside spinodal is characterized by = < 0 since D A is always >0, then this means D A C <0 That is, if the original solution is cooled inside the spinodal, the chemical diffusion coefficient D A C is less than zero, i.e., a negative diffusion coefficient, as J A = - D A C · , it means the flux
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