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To obtain a p-type semiconductor, germanium must be doped with

To obtain a p-type semiconductor, germanium must be doped with

Options

(a) Arsenic
(b) Antimony
(c) Indium
(d) Phosphorus

Correct Answer:

Indium

Explanation:

P-type semiconductor is obtained when Si or Ge (tetravalent) is doped with group-III trivalent inpurities like aluminium (Al), boron (B), indium (ln) etc.

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