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Energy band and Fermi enrgy

  1. Nov 23, 2016 #1
    1. The problem statement, all variables and given/known data
    The energy band for two different metals can be expressed as E=Ak2 and E=Bk2, respectively. Suppose A>B, and the Fermi energy is equal for these two metal. Calculate and compare the Fermi velocity for both metals.

    2. Relevant equations


    3. The attempt at a solution
    I'm very confused since I can't really see how the band energies and fermi energy are related.

    Thanks!
     
  2. jcsd
  3. Nov 26, 2016 #2
    You only need the equation that combines the Fermi energy and velocity....
     
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