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5.4 - atoms/m 4 D is the Diffusion Coefficient also called...

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c is the concentration of the diffusing atoms It is a function of c o , T, t, and x. (units: atoms/m 3 ) c is the concentration gradient = concentration = atoms/volume x length length It is the slope of the concentration profile. (units:
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Unformatted text preview: atoms/m 4 ) D is the Diffusion Coefficient, also called the Diffusivity It is the proportionality constant between the diffusion flux and the concentration gradient for a steady state process (units: m 2 /sec)...
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