Diffusion current practice problems
Refresh the page to get a new problem.
A region of n-type semiconductor extends from x = 0 to x = L = 3 μm.
The electron concentration at x = 0 is 5.0e+10 cm-3 and at x = L, it is 9.0e+15 cm-3.
The electron diffusion coefficient in the region is 21 cm2/s.
What is the electron current density in the region?