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Unpaired electrons in DFT - VASP

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LSDA<br />

Dudarev U=8 J=0.95<br />

n(E) (states/eV atom)<br />

4<br />

2<br />

0<br />

−2<br />

−4<br />

t 2g<br />

e g<br />

n(E) (states/eV atom)<br />

4<br />

2<br />

0<br />

−2<br />

−4<br />

t 2g<br />

e g<br />

−4 −2 0 2 4 6 8 10<br />

−4 −2 0 2 4 6 8 10<br />

E(eV)<br />

E(eV)<br />

¢¢mNi<br />

= 1.15 µ B<br />

¢¢mNi<br />

= 1.71 µ B<br />

E gap = 0.44 eV E gap = 3.38 eV<br />

Experiment<br />

= 1.64 - 1.70 µ B E gap = 4.0 - 4.3 eV<br />

¢¢mNi<br />

M. MARSMAN, <strong>VASP</strong> WORKSHOP, VIENNA 10-15 FEBRUARY 2003. Page 16

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