Ramiro Cardona wrote: > ?The energy away from the niquel surface should be zero?
"the energy" ? maybe "the potential"? no. > ?What's the zero energy reference? the "zero energy reference" is arbitrary. See for instance http://www.democritos.it/pipermail/pw_forum/2004-December/001732.html This may also be of interest for you: http://www.quantum-espresso.org/wiki/index.php/Work_function Paolo -- Paolo Giannozzi, Democritos and University of Udine, Italy
