Advertisements
Advertisements
प्रश्न
In a pure semiconductor crystal of Si, if antimony is added then what type of extrinsic semiconductor is obtained. Draw the energy band diagram of this extrinsic semiconductor so formed.
Advertisements
उत्तर
As given in the statement antimony is added to pure Si crystal, then an n-type extrinsic semiconductor would be so obtained Since antimony(Sb) is a pentavalent impurity.
Energy level diagram of n-type semiconductor
APPEARS IN
संबंधित प्रश्न
In a p-type semiconductos, which of the following statement is true:
The number of silicon atoms per m3 is 5 × 1028. This is doped simultaneously with 5 × 1022 atoms per m3 of Arsenic and 5 × 1020 per m3 atoms of Indium. Calculate the number of electrons and holes. Given that ni= 1.5 × 1016 m−3. Is the material n-type or p-type?
A donor impurity results in ______.
Distinguish between n-type and p-type semiconductors.
Name the extrinsic semiconductors formed when pure germanium is doped with a trivalent impurity. Draw the energy band diagram of extrinsic semiconductors so formed.
Pieces of copper and of silicon are initially at room temperature. Both are heated to temperature T. The conductivity of ______.
What is the conductivity of intrinsic semiconductors at room temperature?
What is the process of adding a suitable impurity to increase a semiconductor's electrical conductivity called?
What is the impurity added to a semiconductor called?
Which type of dopant is indium (In)?
