[Pw_forum] positive Fermi energy

[Paolo Giannozzi]

On Oct 23, 2010, at 21:57 , david grifith wrote:

>  Also, can one compare this Fermi energy with the Fermi
> energy of another material

no; you have to resort to some trick to align the Fermi
energies (e.g. align the average electrostatic potential
far from the surface, if any, or align deep levels, if any)

Paolo
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Paolo Giannozzi, Dept of Chemistry&Physics, Univ. Udine
via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222