dopant
  • An impurity which is introduced into a semiconductor material. Such an impurity may be an acceptor impurity, which makes for a p-type semiconductor, or it may be a donor impurity, which makes for an n-type semiconductor. Acceptor impurities include gallium and aluminum, while donor impurities include phosphorus and arsenic. In either case, a dopant increases the conductivity of the semiconductor. Also called doping agent, impurity (2), or semiconductor dopant.
  • synonym doping agent

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