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Schottky barrier ?

  1. Nov 8, 2012 #1
    Schottky barrier !! ?

    hi all

    something i cant understand in the schottky barrier diode
    i know that when electrons move from semiconductor(n type) to metal a depletion region appears in the n side so potentail difference is created
    so for electrons to move from S.c to metal they need to overcome this potential

    the question is:
    why the electrons to move from metal to sc ther have to overcome the barrier not the potential

    i really have a problem to understand the meaning of barrier
     
  2. jcsd
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