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A Si sample, doped with only one type of atom, is at T = 300 K and has a Fermi energy level, E F ,

A Si sample, doped with only one type of atom, is at T = 300 K and has a Fermi energy level, EF, 0.50 eV below the intrinsic Fermi level, Ei. (a) What are the electron and hole concentrations in this case? (b) Explain if this sample is an n-type or p-type semiconductor. (c) What is the concentration of dopant atoms?

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