If intrinsic silicon is doped:





Determine:



a. If this is an n- or p-type extrinsic semiconductor.

b. Which are the majority and which are the minority charge carriers.

c. The density of majority and minority carriers.


Analysis:

a) N Type

b) Majority = Conduction band free electrons = Negative carriers.

Minority = Valence band holes = Positive carriers.

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