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Consider a wide-gap degenerate n-type semiconductor with a bandgap of Eg=3.5 eV. Given a constant effective mass Mn*=0.2 m in the entire conduction band (i.e. a parabolic E-k relationship), calculate the absorption threshold in terms of the free electrin concentration n. Assume the zero-temperature approximation to the fermi function F(E)=o for E.Ef, and F(E)=1 for E

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