VASP干货 | 光学性质计算

VASP计算光学性质的INCAR是根据HSE06计算的自洽INCAR来改的

SCF INCAR:

SYSTEM = System

ISTART = 1

ICHARG = 1

PREC = Normal

LREAL = .F.

IBRION = -1

ISIF = 3

NSW = 0

#POTIM = 0.5

EDIFFG = -0.05

ENCUT = 500 eV

ISPIN = 1

NELM = 200

EDIFF = 0.1E-04

LCHARG = .T.

LWAVE = .T.

ISMEAR = 0

SIGMA = 0.2

ALGO = Damped

LHFCALC = .TRUE.

HFSCREEN = 0.2

TIME = 0.4

LMAXFOCK = 4

Optical INCAR:

SYSTEM = System

ISTART = 1

ICHARG = 11

PREC = Normal

LREAL = .F.

IBRION = -1

ISIF = 3

NSW = 0

#POTIM = 0.5

EDIFFG = -0.05

ENCUT = 500 eV

ISPIN = 1

NELM = 200

EDIFF = 0.1E-04

LCHARG = .T.

LWAVE = .T.

ISMEAR = 0

SIGMA = 0.2

ALGO = Damped

LHFCALC = .TRUE.

HFSCREEN = 0.2

TIME = 0.4

LMAXFOCK = 4

LOPTICS = .T.   # new

NPAR = 1   # new

NBANDS = 192   # new

注意,NBANDS的设置和SCF中的OUTCAR有关
使用grep NBANDS OUTCAR查询NBANDS的数量,在Optical INCAR中,NBANDS设置为其2倍
本文转载自Code Wang的博客,转载目的在于知识分享,如有侵权问题,请联系我们删除。
文章链接:https://blog.csdn.net/wzl1997/article/details/114222140?spm=1001.2014.3001.5502

 

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