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Diffraction condition

  1. Feb 19, 2009 #1
    What are the diffraction conditions for plans in a hexagonal closed packed lattice with atoms of the same type at 000 1/3 2/3 1/2?
     
  2. jcsd
  3. Feb 23, 2009 #2
    You mean the conditions for structure factor to be non-zero? These ones will depend on the basis as you seem to imply.
    Otherwise, the diffraction condition is given by Bragg's law, for any type of lattice.

    For close packed hexagonal I think that the structure factor is zero when h+2k is a multiple of 3.
     
  4. Feb 26, 2009 #3
    ok..
    i understand lready..
    thx ya...
     
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