Diffusion current practice problems
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Read the Diffusion current class notes.
In some region of a semiconductor, the hole concentration varies linearly with distance, as shown below,
with p1 = 5.0e+13 cm-3 and W = 1 μm.
Calculate the hole diffusion current density at any point 0 < x < W.
The hole diffusion coefficient is Dp = 10 cm2/V·s.
