Calculate the diffusion current density for the following carrier distributions. For electrons, use Dn 35 cm2/s and for holes, use Dp 10 cm/s n(x) (1010cm-3)20m-x a. p(x)-(10'o cm"*) exp(-2 m),at x = 2.5 μ c. 2μιη) , (25pm) = d. p(x)-(1010 cm"*) exp (--),atx-20 μm: 2μιη) (20 μ m) = J" (5 μ m) : Calculate the diffusion current density for the following carrier distributions. For electrons, use Dn 35 cm2/s and for holes, use Dp 10 cm/s n(x) (1010cm-3)20m-x a. p(x)-(10'o cm"*) exp(-2 m),at x = 2.5 μ c. 2μιη) , (25pm) = d. p(x)-(1010 cm"*) exp (--),atx-20 μm: 2μιη) (20 μ m) = J" (5 μ m) :
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