Thank Pro. Gavin Abo and Pro. Mehmet Topsakal
i just read paper Calculating the effective U in APW methods. NiO // Georg
K. H. Madsen and Pavel Novak
For NiO , element Ni (3d^6 4s^2) - has 8 d electrons. we can make two
calculations. One with 4.5 ↑, 4 ↓ and one with 4.5↑, 3 ↓ constrained
As far as I know, two methods are currently used to calculated U in
WIEN2k [
http://www.cms.tuwien.ac.at/media/uploads/cms/psi-presentations/Blaha.ppt (Slide
10) ]:
1) Fitting method: Adjust U until the desired results are obtained
(i.e., until the calculated results are matched to the
Dear creators!
I have come across a difficulty in realization your program. Can you
explain, how to calculate the parameter U for the case, when the d-subshell
is completely full filled.(example Zn, Ag or 5d Hg, Tl, Pb)
I am grateful to you in advance.
Yours sincerely, the third year
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