Extrinsic semiconductor is a pure semiconductor doped with controlled quantity of either a trivalent or a pentavalent impurity.
Class 12 Physics Chapter 14 Semiconductor Electronics Session 2024-2025.
What is an extrinsic semiconductor?
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Extrinsic semiconductor is a pure semiconductor doped with controlled quantity of either a trivalent or a pentavalent impurity.
Class 12 Physics Chapter 14 Semiconductor Electronics Session 2024-2025.
An extrinsic semiconductor is a material whose electrical conductivity is enhanced by doping it with impurities. These impurities introduce free electrons (n-type) or holes (p-type), significantly increasing charge carrier concentration compared to a pure, intrinsic semiconductor.
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