Question:

A pure Si crystal can be converted to an n-type crystal by doping with

Updated On: Feb 6, 2025
  • P
  • As
  • Sb
  • In
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The Correct Option is A, B, C

Solution and Explanation

An n-type semiconductor is created by doping a pure silicon (Si) crystal with a pentavalent element (an element with 5 valence electrons). This adds extra electrons as charge carriers, making the crystal n-type

  • P (Phosphorus), As (Arsenic), and Sb (Antimony) are pentavalent elements, and any of these could theoretically dope Si to form an n-type semiconductor.
  • However, P (Phosphorus) is commonly used due to its abundance, effectiveness, and ease of integration.
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