[Pw_forum] surface

[Sakhrawi Taoufek]

dear all, 

i do surface calculation with pw.x, i want to estimate the C value in the tetragonal structure, 
after scf calculation i find that many values of C have the same energy which you can see it in the figure.
thanks
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SakhraouiTaoufik
LMCN
Faculty of science 

Monastir, Tunisia
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