Ge is doped with As. Due to doping,
An n-type semiconducting Si is obtained by doping intrinsic Si with :
Si is doped with a pentavalent element. The energy required to set the additional electron free is about :
Explain the following, giving reasons :
Answer the following giving reasons:
Draw the energy band diagrams (at T > 0 K) for n-type and p-type semiconductors. Using diagram, explain why in n-type semiconductor the conduction band has most electrons from the donor impurities.
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