Question 5 Which of the following is true for a degenerate semiconductor? (a) A semiconductor becomes degenerate at high temperatures (b) The Fermi level gets closer than about 3kT to one of the band edges in degenerate semi- conductors (c) The density of states in the semiconductor is higher when it is degenerate (d) A semiconductor becomes degenerate when the doping density is low

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter1: Atomic Structure
Section: Chapter Questions
Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?
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Question 5
Which of the following is true for a degenerate semiconductor?
(a) A semiconductor becomes degenerate at high temperatures
(b) The Fermi level gets closer than about 3kT to one of the band edges in degenerate semi-
conductors
(c) The density of states in the semiconductor is higher when it is degenerate
(d) A semiconductor becomes degenerate when the doping density is low
Transcribed Image Text:Question 5 Which of the following is true for a degenerate semiconductor? (a) A semiconductor becomes degenerate at high temperatures (b) The Fermi level gets closer than about 3kT to one of the band edges in degenerate semi- conductors (c) The density of states in the semiconductor is higher when it is degenerate (d) A semiconductor becomes degenerate when the doping density is low
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