• Abbreviation of positive-negative. It refers to the region where a p-type semiconductor and an n-type semiconductor meet. In a p-type semiconductor, holes, which act as positively-charged particles, are the majority carrier, while in an n-type semiconductor electrons, which are negative particles, are the majority carrier. Also called np.
  • abbreviation for piconewton
    (written as pN)
  • 10-12 newton. It is a unit of force. Its abbreviation is pN.

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