Questions tagged [fermi]

6 questions
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Fermi level of metal

Do metals have fermi level? As we know conduction band and valence band are overlaped for a metal. Does it make any sense for metals to have fermi level?
sumita sahu
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Question about the metal-semiconductor junction

I'm studying the metal-semiconductor junction on Muller-Kamins book. I have two questions. This is the band diagram of the metal-semiconductor junction in thermal equilibrium: In order to get this plot, the book gives some rules. One of these…
Stefanino
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A question about basic band gap theory

I always encounter assertions similar to the following quote: The electrons in the conduction band have higher energy than those in the valence band of a semiconductor. We know by definition the conduction band is much more further away from the…
GNZ
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Semiconductors out of equilibrium

In connecting two separated materials with different Fermi levels we have carrier flow. Do electrons and holes always move in opposite directions?
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Acceptor level definition

When looking at a P type semiconductor band diagram, the acceptor level sits a little higher than the edge of the valence band, say Boron in Silicon. i have learned that the acceptor level represents the energy needed for an adjacent silicon valence…
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The probability that an electron occupies the fermi level at 0K

I was trying to find the probability that an electron occupies the Fermi level at 0K. Fermi function: {exp[(E-Ef)/kT] + 1}-1; (k = 8.314 J/mol/K) According to my calculations, the answer would be 0.5. Is that answer correct?