Question: . An unknown semiconductor has Eg = 1 . 1 eV and Nc = Nv . It is doped with 1 0 1 5 cm

. An unknown semiconductor has Eg =1.1 eV and Nc = Nv. It is doped with 1015 cm-3 donors,
where the donor level is 0.2 eV below Ec. Given that EF is 0.25eV below Ec. Calculate ni and the
concentration of electrons and holes in the semiconductor at 300 K.

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