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प्रश्न
Name the extrinsic semiconductors formed when pure germanium is doped with a trivalent impurity. Draw the energy band diagram of extrinsic semiconductors so formed.
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उत्तर
When a pure Germanium is doped with a trivalent impurity, the p-type extrinsic semiconductor is formed.
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संबंधित प्रश्न
Sn, C, and Si, Ge are all group XIV elements. Yet, Sn is a conductor, C is an insulator while Si and Ge are semiconductors. Why?
Pieces of copper and of silicon are initially at room temperature. Both are heated to temperature T. The conductivity of ______.
- Assertion (A): Putting the p-type semiconductor slab directly in physical contact with the n-type semiconductor slab cannot form the pn junction.
- Reason (R): The roughness at contact will be much more than inter atomic crystal spacing and continuous flow of charge carriers is not possible.
With an increase in the temperature, the electrical conductivity of a semiconductor ______.
What type of semiconductor is obtained when a crystal of silicon is doped with a trivalent element?
What is the conductivity of intrinsic semiconductors at room temperature?
What is the impurity added to a semiconductor called?
What is the semiconductor to which the dopant is added called?
Which type of dopant is antimony (Sb)?
Which type of dopant is indium (In)?
