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P-type Semiconductor (Noun)

Meaning

A semiconductor in which electrical conduction is due chiefly to the movement of positive holes.

Classification

Nouns denoting man-made objects.

Examples

  • A p-type semiconductor is created when a silicon crystal is doped with a small amount of a Group III element, such as boron or aluminum.
  • In the process of manufacturing integrated circuits, a p-type semiconductor material is used as a base for the transistors and diodes.
  • Doping a silicon wafer with a p-type dopant such as boron produces regions that are positively charged and thus creates a p-type semiconductor.
  • To control the electrical current flowing through the p-type semiconductor, metal contacts are made at both ends of the device.
  • P-type semiconductor materials have holes as their charge carriers and they move freely in the valence band under the influence of an applied voltage.

Hypernyms

  • Semiconductor
  • Semiconductor Unit
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