[Wien] incorrect DOS
Hong Jiang
jiang at fhi-berlin.mpg.de
Thu Feb 21 20:47:43 CET 2008
Hi Manish,
I think there is no problem with your DOS of HfO2. The band near -10 eV
should be the band corresponding to f-states. Most of published data
about HfO2 are obtained from pseudo-potential calculations in which
fully filled f-states are treated as core states. I think this is
actually a big advantage of all-electron codes like Wien2k in which both
extended and highly localized states can be treated at the same footing.
Hong
Manish Singh wrote:
> Dear Wien2k users,
>
> I am trying to calculate the total-DOS of monoclinic HfO2 using Wien2k
> (version WIEN2k_06.1) to compare it with results of Jaffe et al,
> Physical Review B 72, 144107 (2005)
> http://dx.doi.org/10.1103/PhysRevB.72.144107
>
> The total-DOS I obtained (attached) strangely shows a band near -10 eV
> which does not agree with any published data.
> Could anyone please help me figure out where I might have gone wrong?
>
> I used PBE-GGA, RMT =7 and the following struct file:
>
> m-hfo2
> P LATTICE,NONEQUIV.ATOMS: 314_P21/c
> MODE OF CALC=RELA unit=bohr
> 9.762807 9.870824 10.104799 90.000000 99.220000 90.000000
> ATOM -1: X=0.27689045 Y=0.04112103 Z=0.20793819
> MULT= 4 ISPLIT= 8
> -1: X=0.72310955 Y=0.95887897 Z=0.79206181
> -1: X=0.72310955 Y=0.54112103 Z=0.29206181
> -1: X=0.27689045 Y=0.45887897 Z=0.70793819
> Hf1 NPT= 781 R0=0.00010000 RMT= 2.0000 Z: 72.0
> LOCAL ROT MATRIX: 1.0000000 0.0000000 0.0000000
> 0.0000000 1.0000000 0.0000000
> 0.0000000 0.0000000 1.0000000
> ATOM -2: X=0.07039954 Y=0.33275216 Z=0.34609888
> MULT= 4 ISPLIT= 8
> -2: X=0.92960046 Y=0.66724784 Z=0.65390112
> -2: X=0.92960046 Y=0.83275216 Z=0.15390112
> -2: X=0.07039954 Y=0.16724784 Z=0.84609888
> O 1 NPT= 781 R0=0.00010000 RMT= 1.8000 Z: 8.0
> LOCAL ROT MATRIX: 1.0000000 0.0000000 0.0000000
> 0.0000000 1.0000000 0.0000000
> 0.0000000 0.0000000 1.0000000
> ATOM -3: X=0.44866640 Y=0.75781052 Z=0.47886379
> MULT= 4 ISPLIT= 8
> -3: X=0.55133360 Y=0.24218948 Z=0.52113621
> -3: X=0.55133360 Y=0.25781052 Z=0.02113621
> -3: X=0.44866640 Y=0.74218948 Z=0.97886379
> O 2 NPT= 781 R0=0.00010000 RMT= 1.8000 Z: 8.0
> LOCAL ROT MATRIX: 1.0000000 0.0000000 0.0000000
> 0.0000000 1.0000000 0.0000000
> 0.0000000 0.0000000 1.0000000
> 4 NUMBER OF SYMMETRY OPERATIONS
> -1 0 0 0.0000000
> 0-1 0 0.0000000
> 0 0-1 0.0000000
> 1
> 1 0 0 0.0000000
> 0 1 0 0.0000000
> 0 0 1 0.0000000
> 2
> -1 0 0 0.0000000
> 0 1 0 0.5000000
> 0 0-1 0.5000000
> 3
> 1 0 0 0.0000000
> 0-1 0 0.5000000
> 0 0 1 0.5000000
> 4
>
> Regards,
> Manish
>
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