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Spin direction through ferromagnetic material

  1. Jun 21, 2012 #1

    kor

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    What is the spin direction of the electrons through the ferromagnetic material?
    It will become parallel or antiparallel?
    I was confused because the scattering rate and conductivity both depend on the density of state at Fermi level.
    For ferromagnetic material, is it right to say that at the Fermi level the density of state of spin direction parallel is small than those in anti parallel?
     
  2. jcsd
  3. Jul 4, 2012 #2
    You have to clarify what kind of ferromagnetic material is.
    there is no common answer for such a question.

    Give you a suggestion, please refer to the concept of spin valve.
     
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