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OpenStudy (anonymous):

1- Why don't we use Aluminium for doping? Why do we always use Boron or Phosphors? 2- Why Silicon is the most popular element used to make semiconductors? How about Germanium or Carbon? Thanks!

OpenStudy (unklerhaukus):

Aluminium is sometimes used as a dopant

OpenStudy (radar):

Silicon is plentiful and easy to get.

OpenStudy (unklerhaukus):

silicon has a good sized band gap

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