If the effective masses of holes and electrons are both equal to the free-electron mass. 1. Calculate the hole and elect

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If The Effective Masses Of Holes And Electrons Are Both Equal To The Free Electron Mass 1 Calculate The Hole And Elect 1 (32.12 KiB) Viewed 16 times

If the effective masses of holes and electrons are both equal to the free-electron mass. 1. Calculate the hole and electron concentrations in a direct-gap semiconductor material with an energy band gap of 0.5 eV at 250K? (10 points) 2. If you add 1020 donor atoms/cm³ to the semiconductor material and assuming that the donor atoms are fully ionized, calculate the charge carrier concentration in the valence and conduction band. (5 points) 3. Calculate the Fermi level before and after the doping process. (5 points)