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Polymorphs of SiC; Stacking

  1. Sep 10, 2015 #1
    I'm having difficulty understanding polymorphs and stacking. I'm doing simulations on 6H-SiC but I think I may have the wrong structure..

    I don't understand the stacking sequence, the picture I attached shows the stacking sequence for 6H-SiC, but I can't make any sense out of it. The arrangement of the A's do not look similar, although B and C seem consistent in terms of the arrangement of atoms.

    Basically I've just tried to assemble the unit cell by arranging the atoms in the way shown, the unit cell I used as 12 atoms, I attached a similar picture from the web of the unit cell.
     

    Attached Files:

  2. jcsd
  3. Sep 15, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
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