what is n and p type doping?
Answers
In silicon doping, there are two types of impurities: n-type and p-type. In n-type doping, arsenic or phosphorus is added in small quantities to the silicon. In p-type doping, boron or gallium is used as the dopant. These elements each have three electrons in their outer orbitals.
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In silicon doping, there are two types of impurities: n-type and p-type. In n-type doping, arsenic or phosphorus is added in small quantities to the silicon. In p-type doping, boron or gallium is used as the dopant. These elements each have three electrons in their outer orbitals.
What are their types ?
The majority carriers in a p-type semiconductor are holes. In an n-type semiconductor, pentavalent impurity from the V group is added to the pure semiconductor.The pentavalent impurities provide extra electrons and are termed as donor atoms. Electrons are the majority charge carriers in n-type semiconductors.