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Difference between revisions of "stokes-einstein relation"

 
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:<math>\frac{D_n}{\mu_n} = \frac{k_B T}{q} = \frac{D_p}{\mu_p}</math>
 
:<math>\frac{D_n}{\mu_n} = \frac{k_B T}{q} = \frac{D_p}{\mu_p}</math>
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== See also ==
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* [[Carrier mobility]]
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* [[Diffusion current]]
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* [[Drift current]]

Latest revision as of 18:17, 23 November 2017

Stokes-Einstein Relation is a relation between the diffusion coefficient of charge carriers and carrier mobility.

Overview[edit]

The general form of the equation is

Equation upper D equals mu k Subscript upper B Baseline upper T

Where

For diffusion of carriers the special form is more appropriate.

Equation upper D equals StartFraction mu k Subscript upper B Baseline upper T Over q EndFraction

Where Equation q is the elementary charge.

Then for semiconductors

Equation StartFraction upper D Subscript n Baseline Over mu Subscript n Baseline EndFraction equals StartFraction k Subscript upper B Baseline upper T Over q EndFraction equals StartFraction upper D Subscript p Baseline Over mu Subscript p Baseline EndFraction

See also[edit]