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Question : 1
Total: 5
Name the extrinsic semiconductors formed when a pure germanium is doped with (i) a trivalent and (ii) pentavalent impurity. Draw the energy band diagrams of extrinsic semiconductors so formed. 2
Solution:
(i) When a pure Germanium is doped with trivalent impurity, p-type extrinsic semiconductor is formed.
(ii) When a pure Germanium is doped with pentavalent impurity,n
(ii) When a pure Germanium is doped with pentavalent impurity,
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