A P- type semiconductor can be obtained by ad | vedclass

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(B) $P-$ type semiconductor is formed by doping an intrinsic semiconductor (like Silicon or Germanium) with a trivalent impurity atom.Gallium $(Ga)$ b

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Gallium to pure silicon

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(B) $P-$ type semiconductor is formed by doping an intrinsic semiconductor (like Silicon or Germanium) with a trivalent impurity atom.Gallium $(Ga)$ belongs to Group $13$ of the periodic table and has a valency of $3$.When Gallium is added to pure Silicon (a Group $14$ element),it creates a deficiency of electrons,known as a hole,which acts as a charge carrier,resulting in a $P-$ type semiconductor.Arsenic,Antimony,and Phosphorus are pentavalent impurities (Group $15$) and would result in an $N-$ type semiconductor.

$A$ $P-$ type semiconductor can be obtained by adding

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