[Wien] fermi energy at the bottom of conduction band

[Peter Blaha]

This is a well know problem, which sometimes occurs in insulators due to
rounding problems.

Edit case.qtl and insert as Fermi-energy the top of the valence band.

>   Recently I calculated bandstruct of a semiconductor, but unfortunately the
> Fermi 
> 
> Energy is at the bottom of conduction band instead of at the top of valence
> band, and 
> 
> Apparently there is a band gap between conduction band and valence band.
> What on earth
> 
> does that mean? Could you please help me?
> 
> Thank you very much
> 
>  
> 
> Hao
> 
> 


                                      P.Blaha
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Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
Email: blaha at theochem.tuwien.ac.at    WWW: http://info.tuwien.ac.at/theochem/
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