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Assume Silicon (bandgap 1.12 eV) at room temperature (300 K) with the Fermi level located exactly...

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Physics

Assume Silicon (bandgap 1.12 eV) at room temperature (300 K)with the Fermi level located exactly in the middle of the bandgap.Answer the following questions.

a) What is the probability that a state located at the bottom ofthe conduction band is filled?

b) What is the probability that a state located at the top ofthe valence band is empty?

Answer & Explanation Solved by verified expert
3.6 Ratings (353 Votes)
Concept and theoryElectrons in solid obey FermiDirac statisticsIn this type ofstatistics one must consider the indistinguishabilty of theelectrons their wave nature and the Pauli exclusionprincipleThe distribution of electrons over a range of allowed energylevel at thermal equilibrium isThe fermi    See Answer
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