Advertisements
Advertisements
प्रश्न
Which kind of defects are introduced by doping?
पर्याय
Dislocation defect
Schottky defect
Frenkel defects
Electronic defects
उत्तर
Electronic defects
Explanation:
When electron rich or electron deficient impurity is added to a perfect crystal, it introduces electronic defect in them.
APPEARS IN
संबंधित प्रश्न
A group 14 element is to be converted into n-type semiconductor by doping it with a suitable impurity. To which group should this impurity belong?
Classify the following as being either a p-type or an n-type semiconductor:
Ge doped with In
What type of semiconductor is obtained when
Ge is doped with In?
Solids with conductivities ranging from 104 to 107 ohm-1 m-1 are ____________.
Semiconductors have conductivity (in ohm-1 m-1) in the range of ____________.
Silicon doped with electron-rich impurity forms ______.
Which of the following statements are true about semiconductors?
(i) Silicon doped with electron-rich impurity is a p-type semiconductor.
(ii) Silicon doped with an electron-rich impurity is an n-type semiconductor.
(iii) Delocalised electrons increase the conductivity of doped silicon.
(iv) An electron vacancy increases the conductivity of n-type semiconductor.
Why are solids incompressible?
Assertion: Semiconductors are solids with conductivities in the intermediate range from 10–6 – 104 ohm–1m–1.
Reason: Intermediate conductivity in semiconductor is due to partially filled valence band.
Silicon is a/an ______