Question

compare the properties of N type and P type semiconductor material​

Answer 1

N-type Semiconductor

These are obtained by adding a small amount of pentavalent impurity to a pure sample of semiconductor

i) Majority charge carrier - electron

 Minority charge carriers - holes

ii)  nₑ > >nₕ  ; iₑ>>iₕ

iii) N - Type Semiconductor is electrically neutral(not negatively charged)

iv) Impurity is called Donar impurity because one impurity atom generate one electron

v) Donor energy level lies just below the conduction band

P-Type Semiconductor

These are obtained by adding a small amount of trivalent impurity to a pure sample of semiconductor

i) Majority charge carriers - holes

 Minority charge carriers - electron

ii)  nₕ > >nₑ  ; iₕ>>iₑ

iii) p-type semiconductor is also electrically neutral ( not positively charged)

iv) Impurity is called acceptor impurity

v) Acceptor  energy level lies just above the valence band

Answer 2

Explanation:

N-type Semiconductor

These are obtained by adding a small amount of pentavalent impurity to a pure sample of semiconductor

i) Majority charge carrier - electron

 Minority charge carriers - holes

ii)  nₑ > >nₕ  ; iₑ>>iₕ

iii) N - Type Semiconductor is electrically neutral(not negatively charged)

iv) Impurity is called Donar impurity because one impurity atom generate one electron

v) Donor energy level lies just below the conduction band

P-Type Semiconductor

These are obtained by adding a small amount of trivalent impurity to a pure sample of semiconductor

i) Majority charge carriers - holes

 Minority charge carriers - electron

ii)  nₕ > >nₑ  ; iₕ>>iₑ

iii) p-type semiconductor is also electrically neutral ( not positively charged)

iv) Impurity is called acceptor impurity

v) Acceptor  energy level lies just above the valence band

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