n-types semiconductors?
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An N-type semiconductor is a type of material used in electronics. It is made by adding an impurity to a pure semiconductor such as silicon or germanium. The impurities used may be phosphorus, arsenic, antimony, bismuth or some other chemical element. They are called donor impurities.
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- n type semiconductor are formed by doping a pure Germany I'm or silicon crystal with pentavalent impurities to the atom.
or
- N-type semiconductor is formed by adding small amount of pentavalent impurities to silicon or germanium material which acts as a base material.
- the the pentavalent material is the one which has 5 valence electrons.
- there are more numbers of electrons in compare of holes.
- for example antimany, arsenic & phosphorus.
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