Diffusion vs migration in solid state

Oxygenne · Jun 22, 2008

I do not understand the difference between diffusion and migration is case of anion/cations.
Thank you!

Relena · Jun 23, 2008

Migration is a special case of diffusion, that is ,migration have polarity (from side to another) just as in case of PN junction , electrons diffuse in one direction and holes in the other.

In case of anions and cations , Polarity exists , so the accompanied motion is migration from +ve to -ve and vice versa

Diffusion vs migration in solid state

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Diffusion vs migration in solid state

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