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What happens when you connect a ptype semiconductor to a metal conductor?

  1. Nov 14, 2011 #1
    Will a current through the ptype + metal material be very low because of the ptype material?
    Does a junction like a pn junction form between the ptype semiconductor and the metal?

    Thanks for your time.
     
  2. jcsd
  3. Nov 15, 2011 #2
  4. Nov 16, 2011 #3
    The electric properties of a metal can be viewed as a highly degenerated N-type semiconductor.
    Therefore, P-metal can be treated as a pn diode. And it properties depends, as what yasir.ustb stated, on the work function of each materials.
     
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