use: n-101°cm, Eg 1.1eV, Ho 1000 cm2/V.s, Ho-250cm?/N.s, KT=26meV, q 1.6x10-19 C, Eg- 12 and Eo-8.85x10 14 F/cm. In Fig. 1 Find the electron diffusion current density at x 1um Ee B [0.45eV E Er 0. 0.5 ja Fig. 1 O a. 0.065A/cm2 O b. 0,82A/cm2 Oc 9.7x10 A/cm? O d. 0.487A/cm
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The expression for the electron diffusion current be given as,
Where,
Q be defined as the charge
Dn is defined as the diffusion constant.
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