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How does an increase in doping concentration affect a semiconductor?

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The effect of increased doping concentration is - 

  1. Higher conductivity -  More free charge carriers
  2. Lower resistivity - Opposite of conductivity 
  3. Fermi level shifts - Toward conduction/valence band
  4. Depletion region narrows -  Smaller barrier width
  5. Breakdown voltage lowers - Easier carrier avalanche 
  6. Junction capacitance increases - Due to a thinner depletion layer
Posted by

Saniya Khatri

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