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P-type semiconductor

The term p-type refers to a positive charge of the hole. As opposed to n-type semiconductors, p-type semiconductors have a larger hole concentration than electron concentration.

In p-type semiconductors, holes are the majority carriers and electrons are the minority carriers. P-type semiconductors are created by doping an intrinsic semiconductor with acceptor impurities. A common p-type dopant for silicon is boron or gallium. For p-type semiconductors the Fermi level is below the intrinsic Fermi level and lies closer to the valence band than the conduction band.

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