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各位大牛们,小弟刚刚接触VASP,算了下SnO2的态密度,文件和图如下,感觉很不正常,希望大牛们给小弟一些意见,谢谢啦
INCAR
system=SnO2-Anatase-gga
ISIF=3
NSW=1
ISTART=0
IBRION=2
ISMEAR=-5 !0 ! for less K-point, set 0. try -5 (tetrahedron method valid for NKPT>=4) with multi-KPOINTS
NFREE =15
NELM =120
NELMIN= 4
NELMDL = -12
ENCUT=520
NBANDS=160
Prec=Normal
ROPT=-5E-4 -5E-4 -5E-4
! * Making the calculations faster
IALGO = 48 ! RMM-DIIS algorithm for electrons
LREAL =Auto ! evaluate projection operators in real space
NSIM = 4 ! blocked algorithm update, four bands at a time
LELF=TURE
ICHARG=11
RWIGS = 1.566 0.820
K-Points
0
Monkhorst-Pack
4 4 4
0 0 0
POSCAR
RT-SnO2 ! FROM NRL
1.00000000000000
4.7391505075808915 0.0000000000000000 0.0000000000000000
0.0000000000000000 4.7391505075808915 0.0000000000000000
0.0000000000000000 0.0000000000000000 3.1857352137535577
2 4
Direct
0.0000000000000000 0.0000000000000000 0.0000000000000000
0.5000000000000000 0.5000000000000000 0.5000000000000000
0.3061467213712827 0.3061467213712827 0.0000000000000000
0.6938532786287175 0.6938532786287175 0.0000000000000000
0.8061467213712825 0.1938532786287173 0.5000000000000000
0.1938532786287173 0.8061467213712825 0.5000000000000000
0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00
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