One more HW problem:
Consider a semiconductor in which mu=5,000 cm^2/Volt-sec, and kT = room temp (25 meV) and n is independent of y and z but depends on x such that dn(x)/dx = 10^16 cm-4.
Calculate the diffusion current density for the diffusion current that will flow in the x direction in this problem. (or is it the -x direction? ) Also, what are the units of the diffusion current density?
P.S. In your triage process, i would recommend giving this problem priority over asymmetric junction issues.
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