- B The Band Gap Of Si Is 1 1 Ev On P Type Doping With Impurity Atoms Acceptor States Are Created With Energy Ae 0 0 1 (79.68 KiB) Viewed 43 times
(b) The band gap of Si is 1.1 eV. On p-type doping with impurity atoms, acceptor states are created with energy AE = 0.0
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(b) The band gap of Si is 1.1 eV. On p-type doping with impurity atoms, acceptor states are created with energy AE = 0.0
(b) The band gap of Si is 1.1 eV. On p-type doping with impurity atoms, acceptor states are created with energy AE = 0.01 eV above the valence band maximum. Calculate the proportion of acceptor states occupied at room temperature, assuming the probability of excitation to be given by exp(-AE/2kBT). Repeat the calculation for T 1000 C. Calculate the temperature at which appreciable intrinsic conductivity will begin to occur, assuming that this corresponds to a probability of excitation across the band gap of 10-4 =
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