[Wien] silicon structure

Stefaan Cottenier Stefaan.Cottenier at UGent.be
Mon Jun 21 07:00:49 CEST 2010


> Now, that is taken care of, I still have another puzzling situation. I 
> want to make a 2*2*2 super cell of Silicon.
> If I repeat the steps
> Type "F" Then specify Si atoms using fractional coordinates (should be 
> 16 atoms in total, I used material studio to visualize it is correct and 
> transfer the coordinates to WIEN2K). I do not get are larger diamond 
> structure. Can you explain why this is?

You don't have to do this yourself. There is a very convenient tool 
called 'supercell' -- see Sec. 9.20 of the usersguide.

Stefaan


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