Definition of "p-type" [p-type]

• (Of a semiconductor) in which conduction is due to the movement of positive holes rather than electrons. (adjective)

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• "Electrons can cross from the spacious boron-silicon (or p-type) layer to the crowded n-type layer, but not the other way."
• "The crystal wafer is doped with boron to make a p-type semiconductor."
• "Dope silicon with boron, which has three valence electrons, to create a p-type semiconductor."