Assume that Fermi-Dirac statistics can be approximated t Boltzmann statistics, P(E)= exp[-] where the symbols have their usual meaning. If Nc is the effective density of states in the conduction bar for a n-n junction a ath

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(d) Assume that Fermi-Dirac statistics can be approximated to Maxwell
Boltzmann statistics,
> of 10
kr
P(E)= exp[-]
(6.1)
where the symbols have their usual meaning.
If Nc is the effective density of states in the conduction band, show that
for a p-n junction equation (6.2) below for the built-in voltage is valid.
(6.2)
Where now and n, are the free electron concentrations in the n-type and
p-type materials on either side of the junction, respectively.
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Transcribed Image Text:Previous 16 Page < (d) Assume that Fermi-Dirac statistics can be approximated to Maxwell Boltzmann statistics, > of 10 kr P(E)= exp[-] (6.1) where the symbols have their usual meaning. If Nc is the effective density of states in the conduction band, show that for a p-n junction equation (6.2) below for the built-in voltage is valid. (6.2) Where now and n, are the free electron concentrations in the n-type and p-type materials on either side of the junction, respectively. 1 ZOOM + Next
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