Question: A recently discovered semiconductor has Nc = 1019 cm-3, Nv = 5 * 1018 cm-3, and Eg = 2 eV. If it is doped with

A recently discovered semiconductor has Nc = 1019 cm-3, Nv = 5 * 1018 cm-3, and Eg = 2 eV. If it is doped with 1017 donors (fully ionized), calculate the elec tron, hole, and intrinsic carrier concentrations at 627C. Sketch the simplified band diagram, and specify the value of EF and Ei with respect to the band edges. If we apply 5 V across a piece of this semiconductor 8 om long, what is the current? The piece is 2 om wide and 1.5 om thick. The diffusion coefficient of holes and electrons is 25 cm2>s and 75 cm2>s, respectively

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