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2 cards from this section. Quick, good the night before a test.
What type of impurity is used to create a p-type semiconductor?
Think about elements with three valence electrons.
What charge do holes carry in p-type semiconductors?
Remember, holes are caused by the absence of electrons.
What is a p-type semiconductor primarily characterized by?
Recall what charge carriers dominate in p-type materials.
True or False: Doping with trivalent elements decreases the charge carrier concentration in a semiconductor.
Think about how doping affects conductivity.
Calculate the effect of introducing 1% boron into a pure silicon semiconductor in terms of hole concentration.
Consider how boron's atomic structure compares to silicon's and how it affects carrier charge.
Discuss how temperature might influence the charge carrier dynamics in a p-type semiconductor.
Recall how temperature affects energy levels in semiconductors.
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