Types of Semiconductor
Semiconductors can be classified as following types:
- Intrinsic Semiconductor
- Extrinsic Semiconductor
For more clarification please check the below picture
Intrinsic Semiconductor
An intrinsic type of semiconductor material is pure in nature. It is made up of only a single type of element.e.g. Silicon is intrinsic type semiconductor.They are generally non-conductive in nature because at room temperature there is no free electron present for conduction.
Extrinsic Semiconductor
The conductivity of semiconductors can be greatly improved by introducing a small number of suitable replacement atoms called IMPURITIES. The process of adding impurity atoms to the intrinsic semiconductor is called DOPING. Usually, only 1 atom in 107 is replaced by atom in the doped semiconductor.Impurities which are used in doping are Arsenic,Aluminium etc An extrinsic type semiconductor can be further classified into:
- N-type Semiconductor
- P-type Semiconductor
So these are some general types of Semiconductor in next post we will classify the N-type and p-type of semiconductor.
Post is created by Neeraj Kumar
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